18289960

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{2069}}^1$

素因数の和:2110

約数の個数: 64

約数和(自身を含む): 46947600

約数和(自身を除く): 28657640

約数列:

[1, 2, 4, 5, 8, 10, 13, 17, 20, 26, 34, 40, 52, 65, 68, 85, 104, 130, 136, 170, 221, 260, 340, 442, 520, 680, 884, 1105, 1768, 2069, 2210, 4138, 4420, 8276, 8840, 10345, 16552, 20690, 26897, 35173, 41380, 53794, 70346, 82760, 107588, 134485, 140692, 175865, 215176, 268970, 281384, 351730, 457249, 537940, 703460, 914498, 1075880, 1406920, 1828996, 2286245, 3657992, 4572490, 9144980, 18289960]

約数ペア:

[(1, 18289960), (2, 9144980), (4, 4572490), (5, 3657992), (8, 2286245), (10, 1828996), (13, 1406920), (17, 1075880), (20, 914498), (26, 703460), (34, 537940), (40, 457249), (52, 351730), (65, 281384), (68, 268970), (85, 215176), (104, 175865), (130, 140692), (136, 134485), (170, 107588), (221, 82760), (260, 70346), (340, 53794), (442, 41380), (520, 35173), (680, 26897), (884, 20690), (1105, 16552), (1768, 10345), (2069, 8840), (2210, 8276), (4138, 4420)]