31487674

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{11351}}^1$

素因数の和:11445

約数の個数: 16

約数和(自身を含む): 50402880

約数和(自身を除く): 18915206

約数列:

[1, 2, 19, 38, 73, 146, 1387, 2774, 11351, 22702, 215669, 431338, 828623, 1657246, 15743837, 31487674]

約数ペア:

[(1, 31487674), (2, 15743837), (19, 1657246), (38, 828623), (73, 431338), (146, 215669), (1387, 22702), (2774, 11351)]