18706970

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{6473}}^1$

素因数の和:6514

約数の個数: 24

約数和(自身を含む): 35775324

約数和(自身を除く): 17068354

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 289, 578, 1445, 2890, 6473, 12946, 32365, 64730, 110041, 220082, 550205, 1100410, 1870697, 3741394, 9353485, 18706970]

約数ペア:

[(1, 18706970), (2, 9353485), (5, 3741394), (10, 1870697), (17, 1100410), (34, 550205), (85, 220082), (170, 110041), (289, 64730), (578, 32365), (1445, 12946), (2890, 6473)]