19706009

素因数分解:

${\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{101}}^1\times {\mathrm{499}}^1$

素因数の和:640

約数の個数: 16

約数和(自身を含む): 22032000

約数和(自身を除く): 2325991

約数列:

[1, 17, 23, 101, 391, 499, 1717, 2323, 8483, 11477, 39491, 50399, 195109, 856783, 1159177, 19706009]

約数ペア:

[(1, 19706009), (17, 1159177), (23, 856783), (101, 195109), (391, 50399), (499, 39491), (1717, 11477), (2323, 8483)]