18289780

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{48131}}^1$

素因数の和:48159

約数の個数: 24

約数和(自身を含む): 40430880

約数和(自身を除く): 22141100

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 48131, 96262, 192524, 240655, 481310, 914489, 962620, 1828978, 3657956, 4572445, 9144890, 18289780]

約数ペア:

[(1, 18289780), (2, 9144890), (4, 4572445), (5, 3657956), (10, 1828978), (19, 962620), (20, 914489), (38, 481310), (76, 240655), (95, 192524), (190, 96262), (380, 48131)]