18827335

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{1307}}^1$

素因数の和:1422

約数の個数: 16

約数和(自身を含む): 23481216

約数和(自身を除く): 4653881

約数列:

[1, 5, 43, 67, 215, 335, 1307, 2881, 6535, 14405, 56201, 87569, 281005, 437845, 3765467, 18827335]

約数ペア:

[(1, 18827335), (5, 3765467), (43, 437845), (67, 281005), (215, 87569), (335, 56201), (1307, 14405), (2881, 6535)]