18336490

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{42643}}^1$

素因数の和:42693

約数の個数: 16

約数和(自身を含む): 33774048

約数和(自身を除く): 15437558

約数列:

[1, 2, 5, 10, 43, 86, 215, 430, 42643, 85286, 213215, 426430, 1833649, 3667298, 9168245, 18336490]

約数ペア:

[(1, 18336490), (2, 9168245), (5, 3667298), (10, 1833649), (43, 426430), (86, 213215), (215, 85286), (430, 42643)]