18565540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{132611}}^1$

素因数の和:132627

約数の個数: 24

約数和(自身を含む): 44557632

約数和(自身を除く): 25992092

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 132611, 265222, 530444, 663055, 928277, 1326110, 1856554, 2652220, 3713108, 4641385, 9282770, 18565540]

約数ペア:

[(1, 18565540), (2, 9282770), (4, 4641385), (5, 3713108), (7, 2652220), (10, 1856554), (14, 1326110), (20, 928277), (28, 663055), (35, 530444), (70, 265222), (140, 132611)]