18405894

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{103}}^1$

素因数の和:229

約数の個数: 64

約数和(自身を含む): 41932800

約数和(自身を除く): 23526906

約数列:

[1, 2, 3, 6, 13, 26, 29, 39, 58, 78, 79, 87, 103, 158, 174, 206, 237, 309, 377, 474, 618, 754, 1027, 1131, 1339, 2054, 2262, 2291, 2678, 2987, 3081, 4017, 4582, 5974, 6162, 6873, 8034, 8137, 8961, 13746, 16274, 17922, 24411, 29783, 38831, 48822, 59566, 77662, 89349, 105781, 116493, 178698, 211562, 232986, 235973, 317343, 471946, 634686, 707919, 1415838, 3067649, 6135298, 9202947, 18405894]

約数ペア:

[(1, 18405894), (2, 9202947), (3, 6135298), (6, 3067649), (13, 1415838), (26, 707919), (29, 634686), (39, 471946), (58, 317343), (78, 235973), (79, 232986), (87, 211562), (103, 178698), (158, 116493), (174, 105781), (206, 89349), (237, 77662), (309, 59566), (377, 48822), (474, 38831), (618, 29783), (754, 24411), (1027, 17922), (1131, 16274), (1339, 13746), (2054, 8961), (2262, 8137), (2291, 8034), (2678, 6873), (2987, 6162), (3081, 5974), (4017, 4582)]