18730090

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{6481}}^1$

素因数の和:6522

約数の個数: 24

約数和(自身を含む): 35819532

約数和(自身を除く): 17089442

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 289, 578, 1445, 2890, 6481, 12962, 32405, 64810, 110177, 220354, 550885, 1101770, 1873009, 3746018, 9365045, 18730090]

約数ペア:

[(1, 18730090), (2, 9365045), (5, 3746018), (10, 1873009), (17, 1101770), (34, 550885), (85, 220354), (170, 110177), (289, 64810), (578, 32405), (1445, 12962), (2890, 6481)]