18880738

素因数分解:

$2^1\times {\mathrm{101}}^1\times {\mathrm{151}}^1\times {\mathrm{619}}^1$

素因数の和:873

約数の個数: 16

約数和(自身を含む): 28837440

約数和(自身を除く): 9956702

約数列:

[1, 2, 101, 151, 202, 302, 619, 1238, 15251, 30502, 62519, 93469, 125038, 186938, 9440369, 18880738]

約数ペア:

[(1, 18880738), (2, 9440369), (101, 186938), (151, 125038), (202, 93469), (302, 62519), (619, 30502), (1238, 15251)]