18536540

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{773}}^1$

素因数の和:902

約数の個数: 48

約数和(自身を含む): 42910560

約数和(自身を除く): 24374020

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 109, 110, 218, 220, 436, 545, 773, 1090, 1199, 1546, 2180, 2398, 3092, 3865, 4796, 5995, 7730, 8503, 11990, 15460, 17006, 23980, 34012, 42515, 84257, 85030, 168514, 170060, 337028, 421285, 842570, 926827, 1685140, 1853654, 3707308, 4634135, 9268270, 18536540]

約数ペア:

[(1, 18536540), (2, 9268270), (4, 4634135), (5, 3707308), (10, 1853654), (11, 1685140), (20, 926827), (22, 842570), (44, 421285), (55, 337028), (109, 170060), (110, 168514), (218, 85030), (220, 84257), (436, 42515), (545, 34012), (773, 23980), (1090, 17006), (1199, 15460), (1546, 11990), (2180, 8503), (2398, 7730), (3092, 5995), (3865, 4796)]