18930428

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{181}}^1\times {\mathrm{2377}}^1$

素因数の和:2573

約数の個数: 24

約数和(自身を含む): 36354864

約数和(自身を除く): 17424436

約数列:

[1, 2, 4, 11, 22, 44, 181, 362, 724, 1991, 2377, 3982, 4754, 7964, 9508, 26147, 52294, 104588, 430237, 860474, 1720948, 4732607, 9465214, 18930428]

約数ペア:

[(1, 18930428), (2, 9465214), (4, 4732607), (11, 1720948), (22, 860474), (44, 430237), (181, 104588), (362, 52294), (724, 26147), (1991, 9508), (2377, 7964), (3982, 4754)]