19754660

素因数分解:

$2^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{8741}}^1$

素因数の和:8863

約数の個数: 24

約数和(自身を含む): 41856696

約数和(自身を除く): 22102036

約数列:

[1, 2, 4, 5, 10, 20, 113, 226, 452, 565, 1130, 2260, 8741, 17482, 34964, 43705, 87410, 174820, 987733, 1975466, 3950932, 4938665, 9877330, 19754660]

約数ペア:

[(1, 19754660), (2, 9877330), (4, 4938665), (5, 3950932), (10, 1975466), (20, 987733), (113, 174820), (226, 87410), (452, 43705), (565, 34964), (1130, 17482), (2260, 8741)]