19888132

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{2879}}^1$

素因数の和:3051

約数の個数: 24

約数和(自身を含む): 38223360

約数和(自身を除く): 18335228

約数列:

[1, 2, 4, 11, 22, 44, 157, 314, 628, 1727, 2879, 3454, 5758, 6908, 11516, 31669, 63338, 126676, 452003, 904006, 1808012, 4972033, 9944066, 19888132]

約数ペア:

[(1, 19888132), (2, 9944066), (4, 4972033), (11, 1808012), (22, 904006), (44, 452003), (157, 126676), (314, 63338), (628, 31669), (1727, 11516), (2879, 6908), (3454, 5758)]