19291012

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{28537}}^1$

素因数の和:28567

約数の個数: 18

約数和(自身を含む): 36557178

約数和(自身を除く): 17266166

約数列:

[1, 2, 4, 13, 26, 52, 169, 338, 676, 28537, 57074, 114148, 370981, 741962, 1483924, 4822753, 9645506, 19291012]

約数ペア:

[(1, 19291012), (2, 9645506), (4, 4822753), (13, 1483924), (26, 741962), (52, 370981), (169, 114148), (338, 57074), (676, 28537)]