19647080

素因数分解:

$2^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{7331}}^1$

素因数の和:7409

約数の個数: 32

約数和(自身を含む): 44871840

約数和(自身を除く): 25224760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 67, 134, 268, 335, 536, 670, 1340, 2680, 7331, 14662, 29324, 36655, 58648, 73310, 146620, 293240, 491177, 982354, 1964708, 2455885, 3929416, 4911770, 9823540, 19647080]

約数ペア:

[(1, 19647080), (2, 9823540), (4, 4911770), (5, 3929416), (8, 2455885), (10, 1964708), (20, 982354), (40, 491177), (67, 293240), (134, 146620), (268, 73310), (335, 58648), (536, 36655), (670, 29324), (1340, 14662), (2680, 7331)]