19743380

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{10177}}^1$

素因数の和:10283

約数の個数: 24

約数和(自身を含む): 41892648

約数和(自身を除く): 22149268

約数列:

[1, 2, 4, 5, 10, 20, 97, 194, 388, 485, 970, 1940, 10177, 20354, 40708, 50885, 101770, 203540, 987169, 1974338, 3948676, 4935845, 9871690, 19743380]

約数ペア:

[(1, 19743380), (2, 9871690), (4, 4935845), (5, 3948676), (10, 1974338), (20, 987169), (97, 203540), (194, 101770), (388, 50885), (485, 40708), (970, 20354), (1940, 10177)]