18793467

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{577}}^1$

素因数の和:648

約数の個数: 48

約数和(自身を含む): 34624512

約数和(自身を除く): 15831045

約数列:

[1, 3, 7, 9, 11, 21, 33, 47, 63, 77, 99, 141, 231, 329, 423, 517, 577, 693, 987, 1551, 1731, 2961, 3619, 4039, 4653, 5193, 6347, 10857, 12117, 19041, 27119, 32571, 36351, 44429, 57123, 81357, 133287, 189833, 244071, 298309, 399861, 569499, 894927, 1708497, 2088163, 2684781, 6264489, 18793467]

約数ペア:

[(1, 18793467), (3, 6264489), (7, 2684781), (9, 2088163), (11, 1708497), (21, 894927), (33, 569499), (47, 399861), (63, 298309), (77, 244071), (99, 189833), (141, 133287), (231, 81357), (329, 57123), (423, 44429), (517, 36351), (577, 32571), (693, 27119), (987, 19041), (1551, 12117), (1731, 10857), (2961, 6347), (3619, 5193), (4039, 4653)]