19551842

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{3727}}^1$

素因数の和:3833

約数の個数: 16

約数和(自身を含む): 30509952

約数和(自身を除く): 10958110

約数列:

[1, 2, 43, 61, 86, 122, 2623, 3727, 5246, 7454, 160261, 227347, 320522, 454694, 9775921, 19551842]

約数ペア:

[(1, 19551842), (2, 9775921), (43, 454694), (61, 320522), (86, 227347), (122, 160261), (2623, 7454), (3727, 5246)]