19492360

素因数分解:

$2^3\times 5^1\times {\mathrm{137}}^1\times {\mathrm{3557}}^1$

素因数の和:3705

約数の個数: 32

約数和(自身を含む): 44190360

約数和(自身を除く): 24698000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 137, 274, 548, 685, 1096, 1370, 2740, 3557, 5480, 7114, 14228, 17785, 28456, 35570, 71140, 142280, 487309, 974618, 1949236, 2436545, 3898472, 4873090, 9746180, 19492360]

約数ペア:

[(1, 19492360), (2, 9746180), (4, 4873090), (5, 3898472), (8, 2436545), (10, 1949236), (20, 974618), (40, 487309), (137, 142280), (274, 71140), (548, 35570), (685, 28456), (1096, 17785), (1370, 14228), (2740, 7114), (3557, 5480)]