19120540

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{20341}}^1$

素因数の和:20397

約数の個数: 24

約数和(自身を含む): 41009472

約数和(自身を除く): 21888932

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 188, 235, 470, 940, 20341, 40682, 81364, 101705, 203410, 406820, 956027, 1912054, 3824108, 4780135, 9560270, 19120540]

約数ペア:

[(1, 19120540), (2, 9560270), (4, 4780135), (5, 3824108), (10, 1912054), (20, 956027), (47, 406820), (94, 203410), (188, 101705), (235, 81364), (470, 40682), (940, 20341)]