18256446

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{1279}}^1$

素因数の和:1361

約数の個数: 48

約数和(自身を含む): 43330560

約数和(自身を除く): 25074114

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 61, 78, 117, 122, 183, 234, 366, 549, 793, 1098, 1279, 1586, 2379, 2558, 3837, 4758, 7137, 7674, 11511, 14274, 16627, 23022, 33254, 49881, 78019, 99762, 149643, 156038, 234057, 299286, 468114, 702171, 1014247, 1404342, 2028494, 3042741, 6085482, 9128223, 18256446]

約数ペア:

[(1, 18256446), (2, 9128223), (3, 6085482), (6, 3042741), (9, 2028494), (13, 1404342), (18, 1014247), (26, 702171), (39, 468114), (61, 299286), (78, 234057), (117, 156038), (122, 149643), (183, 99762), (234, 78019), (366, 49881), (549, 33254), (793, 23022), (1098, 16627), (1279, 14274), (1586, 11511), (2379, 7674), (2558, 7137), (3837, 4758)]