18862570

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{857}}^1$

素因数の和:966

約数の個数: 32

約数和(自身を含む): 35582976

約数和(自身を除く): 16720406

約数列:

[1, 2, 5, 10, 31, 62, 71, 142, 155, 310, 355, 710, 857, 1714, 2201, 4285, 4402, 8570, 11005, 22010, 26567, 53134, 60847, 121694, 132835, 265670, 304235, 608470, 1886257, 3772514, 9431285, 18862570]

約数ペア:

[(1, 18862570), (2, 9431285), (5, 3772514), (10, 1886257), (31, 608470), (62, 304235), (71, 265670), (142, 132835), (155, 121694), (310, 60847), (355, 53134), (710, 26567), (857, 22010), (1714, 11005), (2201, 8570), (4285, 4402)]