19921222

素因数分解:

$2^1\times {\mathrm{113}}^1\times {\mathrm{181}}^1\times {\mathrm{487}}^1$

素因数の和:783

約数の個数: 16

約数和(自身を含む): 30375072

約数和(自身を除く): 10453850

約数列:

[1, 2, 113, 181, 226, 362, 487, 974, 20453, 40906, 55031, 88147, 110062, 176294, 9960611, 19921222]

約数ペア:

[(1, 19921222), (2, 9960611), (113, 176294), (181, 110062), (226, 88147), (362, 55031), (487, 40906), (974, 20453)]