9879824

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{19919}}^1$

素因数の和:19958

約数の個数: 20

約数和(自身を含む): 19760640

約数和(自身を除く): 9880816

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 19919, 39838, 79676, 159352, 318704, 617489, 1234978, 2469956, 4939912, 9879824]

約数ペア:

[(1, 9879824), (2, 4939912), (4, 2469956), (8, 1234978), (16, 617489), (31, 318704), (62, 159352), (124, 79676), (248, 39838), (496, 19919)]