18273968

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{26561}}^1$

素因数の和:26612

約数の個数: 20

約数和(自身を含む): 36230568

約数和(自身を除く): 17956600

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 26561, 53122, 106244, 212488, 424976, 1142123, 2284246, 4568492, 9136984, 18273968]

約数ペア:

[(1, 18273968), (2, 9136984), (4, 4568492), (8, 2284246), (16, 1142123), (43, 424976), (86, 212488), (172, 106244), (344, 53122), (688, 26561)]