19657440

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1$

素因数の和:122

約数の個数: 288

約数和(自身を含む): 78545376

約数和(自身を除く): 58887936

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 17, 18, 20, 22, 24, 30, 32, 33, 34, 36, 40, 44, 45, 48, 51, 55, 60, 66, 68, 72, 73, 80, 85, 88, 90, 96, 99, 102, 110, 120, 132, 136, 144, 146, 153, 160, 165, 170, 176, 180, 187, 198, 204, 219, 220, 240, 255, 264, 272, 288, 292, 306, 330, 340, 352, 360, 365, 374, 396, 408, 438, 440, 480, 495, 510, 528, 544, 561, 584, 612, 657, 660, 680, 720, 730, 748, 765, 792, 803, 816, 876, 880, 935, 990, 1020, 1056, 1095, 1122, 1168, 1224, 1241, 1314, 1320, 1360, 1440, 1460, 1496, 1530, 1584, 1606, 1632, 1683, 1752, 1760, 1870, 1980, 2040, 2190, 2244, 2336, 2409, 2448, 2482, 2628, 2640, 2720, 2805, 2920, 2992, 3060, 3168, 3212, 3285, 3366, 3504, 3723, 3740, 3960, 4015, 4080, 4380, 4488, 4818, 4896, 4964, 5256, 5280, 5610, 5840, 5984, 6120, 6205, 6424, 6570, 6732, 7008, 7227, 7446, 7480, 7920, 8030, 8160, 8415, 8760, 8976, 9636, 9928, 10512, 11169, 11220, 11680, 12045, 12240, 12410, 12848, 13140, 13464, 13651, 14454, 14892, 14960, 15840, 16060, 16830, 17520, 17952, 18615, 19272, 19856, 21024, 22338, 22440, 24090, 24480, 24820, 25696, 26280, 26928, 27302, 28908, 29784, 29920, 32120, 33660, 35040, 36135, 37230, 38544, 39712, 40953, 44676, 44880, 48180, 49640, 52560, 53856, 54604, 55845, 57816, 59568, 64240, 67320, 68255, 72270, 74460, 77088, 81906, 89352, 89760, 96360, 99280, 105120, 109208, 111690, 115632, 119136, 122859, 128480, 134640, 136510, 144540, 148920, 163812, 178704, 192720, 198560, 204765, 218416, 223380, 231264, 245718, 269280, 273020, 289080, 297840, 327624, 357408, 385440, 409530, 436832, 446760, 491436, 546040, 578160, 595680, 614295, 655248, 819060, 893520, 982872, 1092080, 1156320, 1228590, 1310496, 1638120, 1787040, 1965744, 2184160, 2457180, 3276240, 3931488, 4914360, 6552480, 9828720, 19657440]

約数ペア:

[(1, 19657440), (2, 9828720), (3, 6552480), (4, 4914360), (5, 3931488), (6, 3276240), (8, 2457180), (9, 2184160), (10, 1965744), (11, 1787040), (12, 1638120), (15, 1310496), (16, 1228590), (17, 1156320), (18, 1092080), (20, 982872), (22, 893520), (24, 819060), (30, 655248), (32, 614295), (33, 595680), (34, 578160), (36, 546040), (40, 491436), (44, 446760), (45, 436832), (48, 409530), (51, 385440), (55, 357408), (60, 327624), (66, 297840), (68, 289080), (72, 273020), (73, 269280), (80, 245718), (85, 231264), (88, 223380), (90, 218416), (96, 204765), (99, 198560), (102, 192720), (110, 178704), (120, 163812), (132, 148920), (136, 144540), (144, 136510), (146, 134640), (153, 128480), (160, 122859), (165, 119136), (170, 115632), (176, 111690), (180, 109208), (187, 105120), (198, 99280), (204, 96360), (219, 89760), (220, 89352), (240, 81906), (255, 77088), (264, 74460), (272, 72270), (288, 68255), (292, 67320), (306, 64240), (330, 59568), (340, 57816), (352, 55845), (360, 54604), (365, 53856), (374, 52560), (396, 49640), (408, 48180), (438, 44880), (440, 44676), (480, 40953), (495, 39712), (510, 38544), (528, 37230), (544, 36135), (561, 35040), (584, 33660), (612, 32120), (657, 29920), (660, 29784), (680, 28908), (720, 27302), (730, 26928), (748, 26280), (765, 25696), (792, 24820), (803, 24480), (816, 24090), (876, 22440), (880, 22338), (935, 21024), (990, 19856), (1020, 19272), (1056, 18615), (1095, 17952), (1122, 17520), (1168, 16830), (1224, 16060), (1241, 15840), (1314, 14960), (1320, 14892), (1360, 14454), (1440, 13651), (1460, 13464), (1496, 13140), (1530, 12848), (1584, 12410), (1606, 12240), (1632, 12045), (1683, 11680), (1752, 11220), (1760, 11169), (1870, 10512), (1980, 9928), (2040, 9636), (2190, 8976), (2244, 8760), (2336, 8415), (2409, 8160), (2448, 8030), (2482, 7920), (2628, 7480), (2640, 7446), (2720, 7227), (2805, 7008), (2920, 6732), (2992, 6570), (3060, 6424), (3168, 6205), (3212, 6120), (3285, 5984), (3366, 5840), (3504, 5610), (3723, 5280), (3740, 5256), (3960, 4964), (4015, 4896), (4080, 4818), (4380, 4488)]