18525980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{787}}^1$

素因数の和:914

約数の個数: 48

約数和(自身を含む): 42892416

約数和(自身を除く): 24366436

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 107, 110, 214, 220, 428, 535, 787, 1070, 1177, 1574, 2140, 2354, 3148, 3935, 4708, 5885, 7870, 8657, 11770, 15740, 17314, 23540, 34628, 43285, 84209, 86570, 168418, 173140, 336836, 421045, 842090, 926299, 1684180, 1852598, 3705196, 4631495, 9262990, 18525980]

約数ペア:

[(1, 18525980), (2, 9262990), (4, 4631495), (5, 3705196), (10, 1852598), (11, 1684180), (20, 926299), (22, 842090), (44, 421045), (55, 336836), (107, 173140), (110, 168418), (214, 86570), (220, 84209), (428, 43285), (535, 34628), (787, 23540), (1070, 17314), (1177, 15740), (1574, 11770), (2140, 8657), (2354, 7870), (3148, 5885), (3935, 4708)]