19571804

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{30391}}^1$

素因数の和:30425

約数の個数: 24

約数和(自身を含む): 40846848

約数和(自身を除く): 21275044

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 92, 161, 322, 644, 30391, 60782, 121564, 212737, 425474, 698993, 850948, 1397986, 2795972, 4892951, 9785902, 19571804]

約数ペア:

[(1, 19571804), (2, 9785902), (4, 4892951), (7, 2795972), (14, 1397986), (23, 850948), (28, 698993), (46, 425474), (92, 212737), (161, 121564), (322, 60782), (644, 30391)]