18845245

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{163}}^1\times {\mathrm{1217}}^1$

素因数の和:1404

約数の個数: 16

約数和(自身を含む): 23970240

約数和(自身を除く): 5124995

約数列:

[1, 5, 19, 95, 163, 815, 1217, 3097, 6085, 15485, 23123, 115615, 198371, 991855, 3769049, 18845245]

約数ペア:

[(1, 18845245), (5, 3769049), (19, 991855), (95, 198371), (163, 115615), (815, 23123), (1217, 15485), (3097, 6085)]