19715636

素因数分解:

$2^2\times {\mathrm{89}}^1\times {\mathrm{55381}}^1$

素因数の和:55474

約数の個数: 12

約数和(自身を含む): 34890660

約数和(自身を除く): 15175024

約数列:

[1, 2, 4, 89, 178, 356, 55381, 110762, 221524, 4928909, 9857818, 19715636]

約数ペア:

[(1, 19715636), (2, 9857818), (4, 4928909), (89, 221524), (178, 110762), (356, 55381)]