19627604

素因数分解:

$2^2\times {\mathrm{61}}^1\times {\mathrm{257}}^1\times {\mathrm{313}}^1$

素因数の和:635

約数の個数: 24

約数和(自身を含む): 35159208

約数和(自身を除く): 15531604

約数列:

[1, 2, 4, 61, 122, 244, 257, 313, 514, 626, 1028, 1252, 15677, 19093, 31354, 38186, 62708, 76372, 80441, 160882, 321764, 4906901, 9813802, 19627604]

約数ペア:

[(1, 19627604), (2, 9813802), (4, 4906901), (61, 321764), (122, 160882), (244, 80441), (257, 76372), (313, 62708), (514, 38186), (626, 31354), (1028, 19093), (1252, 15677)]