19866421

素因数分解:

${\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{683}}^1$

素因数の和:788

約数の個数: 16

約数和(自身を含む): 22161600

約数和(自身を除く): 2295179

約数列:

[1, 17, 29, 59, 493, 683, 1003, 1711, 11611, 19807, 29087, 40297, 336719, 685049, 1168613, 19866421]

約数ペア:

[(1, 19866421), (17, 1168613), (29, 685049), (59, 336719), (493, 40297), (683, 29087), (1003, 19807), (1711, 11611)]