18705772

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{2473}}^1$

素因数の和:2569

約数の個数: 24

約数和(自身を含む): 34358912

約数和(自身を除く): 15653140

約数列:

[1, 2, 4, 31, 61, 62, 122, 124, 244, 1891, 2473, 3782, 4946, 7564, 9892, 76663, 150853, 153326, 301706, 306652, 603412, 4676443, 9352886, 18705772]

約数ペア:

[(1, 18705772), (2, 9352886), (4, 4676443), (31, 603412), (61, 306652), (62, 301706), (122, 153326), (124, 150853), (244, 76663), (1891, 9892), (2473, 7564), (3782, 4946)]