19640901

素因数分解:

$3^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{11839}}^1$

素因数の和:11928

約数の個数: 16

約数和(自身を含む): 30310400

約数和(自身を除く): 10669499

約数列:

[1, 3, 7, 21, 79, 237, 553, 1659, 11839, 35517, 82873, 248619, 935281, 2805843, 6546967, 19640901]

約数ペア:

[(1, 19640901), (3, 6546967), (7, 2805843), (21, 935281), (79, 248619), (237, 82873), (553, 35517), (1659, 11839)]