18103504

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{113}}^1$

素因数の和:188

約数の個数: 80

約数和(自身を含む): 40711680

約数和(自身を除く): 22608176

約数列:

[1, 2, 4, 8, 16, 17, 19, 31, 34, 38, 62, 68, 76, 113, 124, 136, 152, 226, 248, 272, 304, 323, 452, 496, 527, 589, 646, 904, 1054, 1178, 1292, 1808, 1921, 2108, 2147, 2356, 2584, 3503, 3842, 4216, 4294, 4712, 5168, 7006, 7684, 8432, 8588, 9424, 10013, 14012, 15368, 17176, 20026, 28024, 30736, 34352, 36499, 40052, 56048, 59551, 66557, 72998, 80104, 119102, 133114, 145996, 160208, 238204, 266228, 291992, 476408, 532456, 583984, 952816, 1064912, 1131469, 2262938, 4525876, 9051752, 18103504]

約数ペア:

[(1, 18103504), (2, 9051752), (4, 4525876), (8, 2262938), (16, 1131469), (17, 1064912), (19, 952816), (31, 583984), (34, 532456), (38, 476408), (62, 291992), (68, 266228), (76, 238204), (113, 160208), (124, 145996), (136, 133114), (152, 119102), (226, 80104), (248, 72998), (272, 66557), (304, 59551), (323, 56048), (452, 40052), (496, 36499), (527, 34352), (589, 30736), (646, 28024), (904, 20026), (1054, 17176), (1178, 15368), (1292, 14012), (1808, 10013), (1921, 9424), (2108, 8588), (2147, 8432), (2356, 7684), (2584, 7006), (3503, 5168), (3842, 4712), (4216, 4294)]