8641390

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{45481}}^1$

素因数の和:45507

約数の個数: 16

約数和(自身を含む): 16373520

約数和(自身を除く): 7732130

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 45481, 90962, 227405, 454810, 864139, 1728278, 4320695, 8641390]

約数ペア:

[(1, 8641390), (2, 4320695), (5, 1728278), (10, 864139), (19, 454810), (38, 227405), (95, 90962), (190, 45481)]