18864982

素因数分解:

$2^1\times {\mathrm{61}}^1\times {\mathrm{101}}^1\times {\mathrm{1531}}^1$

素因数の和:1695

約数の個数: 16

約数和(自身を含む): 29065104

約数和(自身を除く): 10200122

約数列:

[1, 2, 61, 101, 122, 202, 1531, 3062, 6161, 12322, 93391, 154631, 186782, 309262, 9432491, 18864982]

約数ペア:

[(1, 18864982), (2, 9432491), (61, 309262), (101, 186782), (122, 154631), (202, 93391), (1531, 12322), (3062, 6161)]