13171978

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{251}}^1\times {\mathrm{1381}}^1$

素因数の和:1653

約数の個数: 16

約数和(自身を含む): 20895840

約数和(自身を除く): 7723862

約数列:

[1, 2, 19, 38, 251, 502, 1381, 2762, 4769, 9538, 26239, 52478, 346631, 693262, 6585989, 13171978]

約数ペア:

[(1, 13171978), (2, 6585989), (19, 693262), (38, 346631), (251, 52478), (502, 26239), (1381, 9538), (2762, 4769)]