18289190

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{42533}}^1$

素因数の和:42583

約数の個数: 16

約数和(自身を含む): 33686928

約数和(自身を除く): 15397738

約数列:

[1, 2, 5, 10, 43, 86, 215, 430, 42533, 85066, 212665, 425330, 1828919, 3657838, 9144595, 18289190]

約数ペア:

[(1, 18289190), (2, 9144595), (5, 3657838), (10, 1828919), (43, 425330), (86, 212665), (215, 85066), (430, 42533)]