18465808

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{2341}}^1$

素因数の和:2395

約数の個数: 40

約数和(自身を含む): 39205080

約数和(自身を除く): 20739272

約数列:

[1, 2, 4, 8, 16, 17, 29, 34, 58, 68, 116, 136, 232, 272, 464, 493, 986, 1972, 2341, 3944, 4682, 7888, 9364, 18728, 37456, 39797, 67889, 79594, 135778, 159188, 271556, 318376, 543112, 636752, 1086224, 1154113, 2308226, 4616452, 9232904, 18465808]

約数ペア:

[(1, 18465808), (2, 9232904), (4, 4616452), (8, 2308226), (16, 1154113), (17, 1086224), (29, 636752), (34, 543112), (58, 318376), (68, 271556), (116, 159188), (136, 135778), (232, 79594), (272, 67889), (464, 39797), (493, 37456), (986, 18728), (1972, 9364), (2341, 7888), (3944, 4682)]