19708420

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{26633}}^1$

素因数の和:26679

約数の個数: 24

約数和(自身を含む): 42507864

約数和(自身を除く): 22799444

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 370, 740, 26633, 53266, 106532, 133165, 266330, 532660, 985421, 1970842, 3941684, 4927105, 9854210, 19708420]

約数ペア:

[(1, 19708420), (2, 9854210), (4, 4927105), (5, 3941684), (10, 1970842), (20, 985421), (37, 532660), (74, 266330), (148, 133165), (185, 106532), (370, 53266), (740, 26633)]