201772190

素因数分解:

$2^1\times 5^1\times {\mathrm{1019}}^1\times {\mathrm{19801}}^1$

素因数の和:20827

約数の個数: 16

約数和(自身を含む): 363564720

約数和(自身を除く): 161792530

約数列:

[1, 2, 5, 10, 1019, 2038, 5095, 10190, 19801, 39602, 99005, 198010, 20177219, 40354438, 100886095, 201772190]

約数ペア:

[(1, 201772190), (2, 100886095), (5, 40354438), (10, 20177219), (1019, 198010), (2038, 99005), (5095, 39602), (10190, 19801)]