18320478

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{1997}}^1$

素因数の和:2152

約数の個数: 32

約数和(自身を含む): 40279680

約数和(自身を除く): 21959202

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 139, 278, 417, 834, 1529, 1997, 3058, 3994, 4587, 5991, 9174, 11982, 21967, 43934, 65901, 131802, 277583, 555166, 832749, 1665498, 3053413, 6106826, 9160239, 18320478]

約数ペア:

[(1, 18320478), (2, 9160239), (3, 6106826), (6, 3053413), (11, 1665498), (22, 832749), (33, 555166), (66, 277583), (139, 131802), (278, 65901), (417, 43934), (834, 21967), (1529, 11982), (1997, 9174), (3058, 5991), (3994, 4587)]