198185380

素因数分解:

$2^2\times 5^1\times {\mathrm{2137}}^1\times {\mathrm{4637}}^1$

素因数の和:6783

約数の個数: 24

約数和(自身を含む): 416473848

約数和(自身を除く): 218288468

約数列:

[1, 2, 4, 5, 10, 20, 2137, 4274, 4637, 8548, 9274, 10685, 18548, 21370, 23185, 42740, 46370, 92740, 9909269, 19818538, 39637076, 49546345, 99092690, 198185380]

約数ペア:

[(1, 198185380), (2, 99092690), (4, 49546345), (5, 39637076), (10, 19818538), (20, 9909269), (2137, 92740), (4274, 46370), (4637, 42740), (8548, 23185), (9274, 21370), (10685, 18548)]