19681694

素因数分解:

$2^1\times {\mathrm{109}}^1\times {\mathrm{137}}^1\times {\mathrm{659}}^1$

素因数の和:907

約数の個数: 16

約数和(自身を含む): 30056400

約数和(自身を除く): 10374706

約数列:

[1, 2, 109, 137, 218, 274, 659, 1318, 14933, 29866, 71831, 90283, 143662, 180566, 9840847, 19681694]

約数ペア:

[(1, 19681694), (2, 9840847), (109, 180566), (137, 143662), (218, 90283), (274, 71831), (659, 29866), (1318, 14933)]