18818998

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{5741}}^1$

素因数の和:5903

約数の個数: 16

約数和(自身を含む): 31006800

約数和(自身を除く): 12187802

約数列:

[1, 2, 11, 22, 149, 298, 1639, 3278, 5741, 11482, 63151, 126302, 855409, 1710818, 9409499, 18818998]

約数ペア:

[(1, 18818998), (2, 9409499), (11, 1710818), (22, 855409), (149, 126302), (298, 63151), (1639, 11482), (3278, 5741)]