19898836

素因数分解:

$2^2\times {\mathrm{79}}^1\times {\mathrm{62971}}^1$

素因数の和:63054

約数の個数: 12

約数和(自身を含む): 35264320

約数和(自身を除く): 15365484

約数列:

[1, 2, 4, 79, 158, 316, 62971, 125942, 251884, 4974709, 9949418, 19898836]

約数ペア:

[(1, 19898836), (2, 9949418), (4, 4974709), (79, 251884), (158, 125942), (316, 62971)]