19640803388

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{2503927}}^1$

素因数の和:2504021

約数の個数: 24

約数和(自身を含む): 35966421792

約数和(自身を除く): 16325618404

約数列:

[1, 2, 4, 37, 53, 74, 106, 148, 212, 1961, 3922, 7844, 2503927, 5007854, 10015708, 92645299, 132708131, 185290598, 265416262, 370581196, 530832524, 4910200847, 9820401694, 19640803388]

約数ペア:

[(1, 19640803388), (2, 9820401694), (4, 4910200847), (37, 530832524), (53, 370581196), (74, 265416262), (106, 185290598), (148, 132708131), (212, 92645299), (1961, 10015708), (3922, 5007854), (7844, 2503927)]