18069080

素因数分解:

$2^3\times 5^1\times {\mathrm{557}}^1\times {\mathrm{811}}^1$

素因数の和:1379

約数の個数: 32

約数和(自身を含む): 40778640

約数和(自身を除く): 22709560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 557, 811, 1114, 1622, 2228, 2785, 3244, 4055, 4456, 5570, 6488, 8110, 11140, 16220, 22280, 32440, 451727, 903454, 1806908, 2258635, 3613816, 4517270, 9034540, 18069080]

約数ペア:

[(1, 18069080), (2, 9034540), (4, 4517270), (5, 3613816), (8, 2258635), (10, 1806908), (20, 903454), (40, 451727), (557, 32440), (811, 22280), (1114, 16220), (1622, 11140), (2228, 8110), (2785, 6488), (3244, 5570), (4055, 4456)]