1821981726

素因数分解:

$2^1\times 3^2\times {\mathrm{163}}^1\times {\mathrm{563}}^1\times {\mathrm{1103}}^1$

素因数の和:1837

約数の個数: 48

約数和(自身を含む): 3982507776

約数和(自身を除く): 2160526050

約数列:

[1, 2, 3, 6, 9, 18, 163, 326, 489, 563, 978, 1103, 1126, 1467, 1689, 2206, 2934, 3309, 3378, 5067, 6618, 9927, 10134, 19854, 91769, 179789, 183538, 275307, 359578, 539367, 550614, 620989, 825921, 1078734, 1241978, 1618101, 1651842, 1862967, 3236202, 3725934, 5588901, 11177802, 101221207, 202442414, 303663621, 607327242, 910990863, 1821981726]

約数ペア:

[(1, 1821981726), (2, 910990863), (3, 607327242), (6, 303663621), (9, 202442414), (18, 101221207), (163, 11177802), (326, 5588901), (489, 3725934), (563, 3236202), (978, 1862967), (1103, 1651842), (1126, 1618101), (1467, 1241978), (1689, 1078734), (2206, 825921), (2934, 620989), (3309, 550614), (3378, 539367), (5067, 359578), (6618, 275307), (9927, 183538), (10134, 179789), (19854, 91769)]