18454821

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{113}}^1$

素因数の和:242

約数の個数: 48

約数和(自身を含む): 31814208

約数和(自身を除く): 13359387

約数列:

[1, 3, 7, 11, 21, 33, 49, 77, 101, 113, 147, 231, 303, 339, 539, 707, 791, 1111, 1243, 1617, 2121, 2373, 3333, 3729, 4949, 5537, 7777, 8701, 11413, 14847, 16611, 23331, 26103, 34239, 54439, 60907, 79891, 125543, 163317, 182721, 239673, 376629, 559237, 878801, 1677711, 2636403, 6151607, 18454821]

約数ペア:

[(1, 18454821), (3, 6151607), (7, 2636403), (11, 1677711), (21, 878801), (33, 559237), (49, 376629), (77, 239673), (101, 182721), (113, 163317), (147, 125543), (231, 79891), (303, 60907), (339, 54439), (539, 34239), (707, 26103), (791, 23331), (1111, 16611), (1243, 14847), (1617, 11413), (2121, 8701), (2373, 7777), (3333, 5537), (3729, 4949)]