18691254

素因数分解:

$2^1\times 3^2\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{587}}^1$

素因数の和:685

約数の個数: 48

約数和(自身を含む): 42653520

約数和(自身を除く): 23962266

約数列:

[1, 2, 3, 6, 9, 18, 29, 58, 61, 87, 122, 174, 183, 261, 366, 522, 549, 587, 1098, 1174, 1761, 1769, 3522, 3538, 5283, 5307, 10566, 10614, 15921, 17023, 31842, 34046, 35807, 51069, 71614, 102138, 107421, 153207, 214842, 306414, 322263, 644526, 1038403, 2076806, 3115209, 6230418, 9345627, 18691254]

約数ペア:

[(1, 18691254), (2, 9345627), (3, 6230418), (6, 3115209), (9, 2076806), (18, 1038403), (29, 644526), (58, 322263), (61, 306414), (87, 214842), (122, 153207), (174, 107421), (183, 102138), (261, 71614), (366, 51069), (522, 35807), (549, 34046), (587, 31842), (1098, 17023), (1174, 15921), (1761, 10614), (1769, 10566), (3522, 5307), (3538, 5283)]