81472190

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{428801}}^1$

素因数の和:428827

約数の個数: 16

約数和(自身を含む): 154368720

約数和(自身を除く): 72896530

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 428801, 857602, 2144005, 4288010, 8147219, 16294438, 40736095, 81472190]

約数ペア:

[(1, 81472190), (2, 40736095), (5, 16294438), (10, 8147219), (19, 4288010), (38, 2144005), (95, 857602), (190, 428801)]