19529620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{88771}}^1$

素因数の和:88791

約数の個数: 24

約数和(自身を含む): 44741088

約数和(自身を除く): 25211468

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 88771, 177542, 355084, 443855, 887710, 976481, 1775420, 1952962, 3905924, 4882405, 9764810, 19529620]

約数ペア:

[(1, 19529620), (2, 9764810), (4, 4882405), (5, 3905924), (10, 1952962), (11, 1775420), (20, 976481), (22, 887710), (44, 443855), (55, 355084), (110, 177542), (220, 88771)]