18782038

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{401}}^1\times {\mathrm{2129}}^1$

素因数の和:2543

約数の個数: 16

約数和(自身を含む): 30825360

約数和(自身を除く): 12043322

約数列:

[1, 2, 11, 22, 401, 802, 2129, 4258, 4411, 8822, 23419, 46838, 853729, 1707458, 9391019, 18782038]

約数ペア:

[(1, 18782038), (2, 9391019), (11, 1707458), (22, 853729), (401, 46838), (802, 23419), (2129, 8822), (4258, 4411)]