17998926

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{167}}^1$

素因数の和:277

約数の個数: 64

約数和(自身を含む): 41803776

約数和(自身を除く): 23804850

約数列:

[1, 2, 3, 6, 11, 22, 23, 33, 46, 66, 69, 71, 138, 142, 167, 213, 253, 334, 426, 501, 506, 759, 781, 1002, 1518, 1562, 1633, 1837, 2343, 3266, 3674, 3841, 4686, 4899, 5511, 7682, 9798, 11022, 11523, 11857, 17963, 23046, 23714, 35571, 35926, 42251, 53889, 71142, 84502, 107778, 126753, 130427, 253506, 260854, 272711, 391281, 545422, 782562, 818133, 1636266, 2999821, 5999642, 8999463, 17998926]

約数ペア:

[(1, 17998926), (2, 8999463), (3, 5999642), (6, 2999821), (11, 1636266), (22, 818133), (23, 782562), (33, 545422), (46, 391281), (66, 272711), (69, 260854), (71, 253506), (138, 130427), (142, 126753), (167, 107778), (213, 84502), (253, 71142), (334, 53889), (426, 42251), (501, 35926), (506, 35571), (759, 23714), (781, 23046), (1002, 17963), (1518, 11857), (1562, 11523), (1633, 11022), (1837, 9798), (2343, 7682), (3266, 5511), (3674, 4899), (3841, 4686)]