19744042

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{47}}^2\times {\mathrm{109}}^1$

素因数の和:246

約数の個数: 24

約数和(自身を含む): 31282020

約数和(自身を除く): 11537978

約数列:

[1, 2, 41, 47, 82, 94, 109, 218, 1927, 2209, 3854, 4418, 4469, 5123, 8938, 10246, 90569, 181138, 210043, 240781, 420086, 481562, 9872021, 19744042]

約数ペア:

[(1, 19744042), (2, 9872021), (41, 481562), (47, 420086), (82, 240781), (94, 210043), (109, 181138), (218, 90569), (1927, 10246), (2209, 8938), (3854, 5123), (4418, 4469)]