19156742

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{409}}^1\times {\mathrm{2129}}^1$

素因数の和:2551

約数の個数: 16

約数和(自身を含む): 31438800

約数和(自身を除く): 12282058

約数列:

[1, 2, 11, 22, 409, 818, 2129, 4258, 4499, 8998, 23419, 46838, 870761, 1741522, 9578371, 19156742]

約数ペア:

[(1, 19156742), (2, 9578371), (11, 1741522), (22, 870761), (409, 46838), (818, 23419), (2129, 8998), (4258, 4499)]