18019752

素因数分解:

$2^3\times 3^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{919}}^1$

素因数の和:990

約数の個数: 64

約数和(自身を含む): 48576000

約数和(自身を除く): 30556248

約数列:

[1, 2, 3, 4, 6, 8, 12, 19, 24, 38, 43, 57, 76, 86, 114, 129, 152, 172, 228, 258, 344, 456, 516, 817, 919, 1032, 1634, 1838, 2451, 2757, 3268, 3676, 4902, 5514, 6536, 7352, 9804, 11028, 17461, 19608, 22056, 34922, 39517, 52383, 69844, 79034, 104766, 118551, 139688, 158068, 209532, 237102, 316136, 419064, 474204, 750823, 948408, 1501646, 2252469, 3003292, 4504938, 6006584, 9009876, 18019752]

約数ペア:

[(1, 18019752), (2, 9009876), (3, 6006584), (4, 4504938), (6, 3003292), (8, 2252469), (12, 1501646), (19, 948408), (24, 750823), (38, 474204), (43, 419064), (57, 316136), (76, 237102), (86, 209532), (114, 158068), (129, 139688), (152, 118551), (172, 104766), (228, 79034), (258, 69844), (344, 52383), (456, 39517), (516, 34922), (817, 22056), (919, 19608), (1032, 17461), (1634, 11028), (1838, 9804), (2451, 7352), (2757, 6536), (3268, 5514), (3676, 4902)]