18249220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{7541}}^1$

素因数の和:7572

約数の個数: 36

約数和(自身を含む): 42129612

約数和(自身を除く): 23880392

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 484, 605, 1210, 2420, 7541, 15082, 30164, 37705, 75410, 82951, 150820, 165902, 331804, 414755, 829510, 912461, 1659020, 1824922, 3649844, 4562305, 9124610, 18249220]

約数ペア:

[(1, 18249220), (2, 9124610), (4, 4562305), (5, 3649844), (10, 1824922), (11, 1659020), (20, 912461), (22, 829510), (44, 414755), (55, 331804), (110, 165902), (121, 150820), (220, 82951), (242, 75410), (484, 37705), (605, 30164), (1210, 15082), (2420, 7541)]