18349218

素因数分解:

$2^1\times 3^2\times {\mathrm{43}}^1\times {\mathrm{151}}^1\times {\mathrm{157}}^1$

素因数の和:359

約数の個数: 48

約数和(自身を含む): 41211456

約数和(自身を除く): 22862238

約数列:

[1, 2, 3, 6, 9, 18, 43, 86, 129, 151, 157, 258, 302, 314, 387, 453, 471, 774, 906, 942, 1359, 1413, 2718, 2826, 6493, 6751, 12986, 13502, 19479, 20253, 23707, 38958, 40506, 47414, 58437, 60759, 71121, 116874, 121518, 142242, 213363, 426726, 1019401, 2038802, 3058203, 6116406, 9174609, 18349218]

約数ペア:

[(1, 18349218), (2, 9174609), (3, 6116406), (6, 3058203), (9, 2038802), (18, 1019401), (43, 426726), (86, 213363), (129, 142242), (151, 121518), (157, 116874), (258, 71121), (302, 60759), (314, 58437), (387, 47414), (453, 40506), (471, 38958), (774, 23707), (906, 20253), (942, 19479), (1359, 13502), (1413, 12986), (2718, 6751), (2826, 6493)]