19917744

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{317}}^1$

素因数の和:363

約数の個数: 160

約数和(自身を含む): 68138496

約数和(自身を除く): 48220752

約数列:

[1, 2, 3, 4, 6, 7, 8, 11, 12, 14, 16, 17, 21, 22, 24, 28, 33, 34, 42, 44, 48, 51, 56, 66, 68, 77, 84, 88, 102, 112, 119, 132, 136, 154, 168, 176, 187, 204, 231, 238, 264, 272, 308, 317, 336, 357, 374, 408, 462, 476, 528, 561, 616, 634, 714, 748, 816, 924, 951, 952, 1122, 1232, 1268, 1309, 1428, 1496, 1848, 1902, 1904, 2219, 2244, 2536, 2618, 2856, 2992, 3487, 3696, 3804, 3927, 4438, 4488, 5072, 5236, 5389, 5712, 6657, 6974, 7608, 7854, 8876, 8976, 10461, 10472, 10778, 13314, 13948, 15216, 15708, 16167, 17752, 20922, 20944, 21556, 24409, 26628, 27896, 31416, 32334, 35504, 37723, 41844, 43112, 48818, 53256, 55792, 59279, 62832, 64668, 73227, 75446, 83688, 86224, 97636, 106512, 113169, 118558, 129336, 146454, 150892, 167376, 177837, 195272, 226338, 237116, 258672, 292908, 301784, 355674, 390544, 414953, 452676, 474232, 585816, 603568, 711348, 829906, 905352, 948464, 1171632, 1244859, 1422696, 1659812, 1810704, 2489718, 2845392, 3319624, 4979436, 6639248, 9958872, 19917744]

約数ペア:

[(1, 19917744), (2, 9958872), (3, 6639248), (4, 4979436), (6, 3319624), (7, 2845392), (8, 2489718), (11, 1810704), (12, 1659812), (14, 1422696), (16, 1244859), (17, 1171632), (21, 948464), (22, 905352), (24, 829906), (28, 711348), (33, 603568), (34, 585816), (42, 474232), (44, 452676), (48, 414953), (51, 390544), (56, 355674), (66, 301784), (68, 292908), (77, 258672), (84, 237116), (88, 226338), (102, 195272), (112, 177837), (119, 167376), (132, 150892), (136, 146454), (154, 129336), (168, 118558), (176, 113169), (187, 106512), (204, 97636), (231, 86224), (238, 83688), (264, 75446), (272, 73227), (308, 64668), (317, 62832), (336, 59279), (357, 55792), (374, 53256), (408, 48818), (462, 43112), (476, 41844), (528, 37723), (561, 35504), (616, 32334), (634, 31416), (714, 27896), (748, 26628), (816, 24409), (924, 21556), (951, 20944), (952, 20922), (1122, 17752), (1232, 16167), (1268, 15708), (1309, 15216), (1428, 13948), (1496, 13314), (1848, 10778), (1902, 10472), (1904, 10461), (2219, 8976), (2244, 8876), (2536, 7854), (2618, 7608), (2856, 6974), (2992, 6657), (3487, 5712), (3696, 5389), (3804, 5236), (3927, 5072), (4438, 4488)]