18492890

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{7487}}^1$

素因数の和:7526

約数の個数: 32

約数和(自身を含む): 37739520

約数和(自身を除く): 19246630

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 65, 95, 130, 190, 247, 494, 1235, 2470, 7487, 14974, 37435, 74870, 97331, 142253, 194662, 284506, 486655, 711265, 973310, 1422530, 1849289, 3698578, 9246445, 18492890]

約数ペア:

[(1, 18492890), (2, 9246445), (5, 3698578), (10, 1849289), (13, 1422530), (19, 973310), (26, 711265), (38, 486655), (65, 284506), (95, 194662), (130, 142253), (190, 97331), (247, 74870), (494, 37435), (1235, 14974), (2470, 7487)]