18228866

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{491}}^1\times {\mathrm{977}}^1$

素因数の和:1489

約数の個数: 16

約数和(自身を含む): 28870560

約数和(自身を除く): 10641694

約数列:

[1, 2, 19, 38, 491, 977, 982, 1954, 9329, 18563, 18658, 37126, 479707, 959414, 9114433, 18228866]

約数ペア:

[(1, 18228866), (2, 9114433), (19, 959414), (38, 479707), (491, 37126), (977, 18658), (982, 18563), (1954, 9329)]