19802666

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{7541}}^1$

素因数の和:7657

約数の個数: 16

約数和(自身を含む): 32309928

約数和(自身を除く): 12507262

約数列:

[1, 2, 13, 26, 101, 202, 1313, 2626, 7541, 15082, 98033, 196066, 761641, 1523282, 9901333, 19802666]

約数ペア:

[(1, 19802666), (2, 9901333), (13, 1523282), (26, 761641), (101, 196066), (202, 98033), (1313, 15082), (2626, 7541)]