18939360

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{211}}^1$

素因数の和:257

約数の個数: 192

約数和(自身を含む): 69237504

約数和(自身を除く): 50298144

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 17, 20, 22, 24, 30, 32, 33, 34, 40, 44, 48, 51, 55, 60, 66, 68, 80, 85, 88, 96, 102, 110, 120, 132, 136, 160, 165, 170, 176, 187, 204, 211, 220, 240, 255, 264, 272, 330, 340, 352, 374, 408, 422, 440, 480, 510, 528, 544, 561, 633, 660, 680, 748, 816, 844, 880, 935, 1020, 1055, 1056, 1122, 1266, 1320, 1360, 1496, 1632, 1688, 1760, 1870, 2040, 2110, 2244, 2321, 2532, 2640, 2720, 2805, 2992, 3165, 3376, 3587, 3740, 4080, 4220, 4488, 4642, 5064, 5280, 5610, 5984, 6330, 6752, 6963, 7174, 7480, 8160, 8440, 8976, 9284, 10128, 10761, 11220, 11605, 12660, 13926, 14348, 14960, 16880, 17935, 17952, 18568, 20256, 21522, 22440, 23210, 25320, 27852, 28696, 29920, 33760, 34815, 35870, 37136, 39457, 43044, 44880, 46420, 50640, 53805, 55704, 57392, 69630, 71740, 74272, 78914, 86088, 89760, 92840, 101280, 107610, 111408, 114784, 118371, 139260, 143480, 157828, 172176, 185680, 197285, 215220, 222816, 236742, 278520, 286960, 315656, 344352, 371360, 394570, 430440, 473484, 557040, 573920, 591855, 631312, 789140, 860880, 946968, 1114080, 1183710, 1262624, 1578280, 1721760, 1893936, 2367420, 3156560, 3787872, 4734840, 6313120, 9469680, 18939360]

約数ペア:

[(1, 18939360), (2, 9469680), (3, 6313120), (4, 4734840), (5, 3787872), (6, 3156560), (8, 2367420), (10, 1893936), (11, 1721760), (12, 1578280), (15, 1262624), (16, 1183710), (17, 1114080), (20, 946968), (22, 860880), (24, 789140), (30, 631312), (32, 591855), (33, 573920), (34, 557040), (40, 473484), (44, 430440), (48, 394570), (51, 371360), (55, 344352), (60, 315656), (66, 286960), (68, 278520), (80, 236742), (85, 222816), (88, 215220), (96, 197285), (102, 185680), (110, 172176), (120, 157828), (132, 143480), (136, 139260), (160, 118371), (165, 114784), (170, 111408), (176, 107610), (187, 101280), (204, 92840), (211, 89760), (220, 86088), (240, 78914), (255, 74272), (264, 71740), (272, 69630), (330, 57392), (340, 55704), (352, 53805), (374, 50640), (408, 46420), (422, 44880), (440, 43044), (480, 39457), (510, 37136), (528, 35870), (544, 34815), (561, 33760), (633, 29920), (660, 28696), (680, 27852), (748, 25320), (816, 23210), (844, 22440), (880, 21522), (935, 20256), (1020, 18568), (1055, 17952), (1056, 17935), (1122, 16880), (1266, 14960), (1320, 14348), (1360, 13926), (1496, 12660), (1632, 11605), (1688, 11220), (1760, 10761), (1870, 10128), (2040, 9284), (2110, 8976), (2244, 8440), (2321, 8160), (2532, 7480), (2640, 7174), (2720, 6963), (2805, 6752), (2992, 6330), (3165, 5984), (3376, 5610), (3587, 5280), (3740, 5064), (4080, 4642), (4220, 4488)]