18169970

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{487}}^1$

素因数の和:555

約数の個数: 64

約数和(自身を含む): 41319936

約数和(自身を除く): 23149966

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 41, 65, 70, 82, 91, 130, 182, 205, 287, 410, 455, 487, 533, 574, 910, 974, 1066, 1435, 2435, 2665, 2870, 3409, 3731, 4870, 5330, 6331, 6818, 7462, 12662, 17045, 18655, 19967, 31655, 34090, 37310, 39934, 44317, 63310, 88634, 99835, 139769, 199670, 221585, 259571, 279538, 443170, 519142, 698845, 1297855, 1397690, 1816997, 2595710, 3633994, 9084985, 18169970]

約数ペア:

[(1, 18169970), (2, 9084985), (5, 3633994), (7, 2595710), (10, 1816997), (13, 1397690), (14, 1297855), (26, 698845), (35, 519142), (41, 443170), (65, 279538), (70, 259571), (82, 221585), (91, 199670), (130, 139769), (182, 99835), (205, 88634), (287, 63310), (410, 44317), (455, 39934), (487, 37310), (533, 34090), (574, 31655), (910, 19967), (974, 18655), (1066, 17045), (1435, 12662), (2435, 7462), (2665, 6818), (2870, 6331), (3409, 5330), (3731, 4870)]