19571690

素因数分解:

$2^1\times 5^1\times {\mathrm{97}}^1\times {\mathrm{20177}}^1$

素因数の和:20281

約数の個数: 16

約数和(自身を含む): 35593992

約数和(自身を除く): 16022302

約数列:

[1, 2, 5, 10, 97, 194, 485, 970, 20177, 40354, 100885, 201770, 1957169, 3914338, 9785845, 19571690]

約数ペア:

[(1, 19571690), (2, 9785845), (5, 3914338), (10, 1957169), (97, 201770), (194, 100885), (485, 40354), (970, 20177)]