17921009

素因数分解:

${\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{491}}^1$

素因数の和:640

約数の個数: 16

約数和(自身を含む): 20191680

約数和(自身を除く): 2270671

約数列:

[1, 17, 19, 113, 323, 491, 1921, 2147, 8347, 9329, 36499, 55483, 158593, 943211, 1054177, 17921009]

約数ペア:

[(1, 17921009), (17, 1054177), (19, 943211), (113, 158593), (323, 55483), (491, 36499), (1921, 9329), (2147, 8347)]