19310240

素因数分解:

$2^5\times 5^1\times {\mathrm{120689}}^1$

素因数の和:120704

約数の個数: 24

約数和(自身を含む): 45620820

約数和(自身を除く): 26310580

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 120689, 241378, 482756, 603445, 965512, 1206890, 1931024, 2413780, 3862048, 4827560, 9655120, 19310240]

約数ペア:

[(1, 19310240), (2, 9655120), (4, 4827560), (5, 3862048), (8, 2413780), (10, 1931024), (16, 1206890), (20, 965512), (32, 603445), (40, 482756), (80, 241378), (160, 120689)]