18983774

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{4421}}^1$

素因数の和:4555

約数の個数: 16

約数和(自身を含む): 30246480

約数和(自身を除く): 11262706

約数列:

[1, 2, 19, 38, 113, 226, 2147, 4294, 4421, 8842, 83999, 167998, 499573, 999146, 9491887, 18983774]

約数ペア:

[(1, 18983774), (2, 9491887), (19, 999146), (38, 499573), (113, 167998), (226, 83999), (2147, 8842), (4294, 4421)]