19460911220

素因数分解:

$2^2\times 5^1\times {\mathrm{973045561}}^1$

素因数の和:973045570

約数の個数: 12

約数和(自身を含む): 40867913604

約数和(自身を除く): 21407002384

約数列:

[1, 2, 4, 5, 10, 20, 973045561, 1946091122, 3892182244, 4865227805, 9730455610, 19460911220]

約数ペア:

[(1, 19460911220), (2, 9730455610), (4, 4865227805), (5, 3892182244), (10, 1946091122), (20, 973045561)]