18859340

素因数分解:

$2^2\times 5^1\times {\mathrm{191}}^1\times {\mathrm{4937}}^1$

素因数の和:5137

約数の個数: 24

約数和(自身を含む): 39820032

約数和(自身を除く): 20960692

約数列:

[1, 2, 4, 5, 10, 20, 191, 382, 764, 955, 1910, 3820, 4937, 9874, 19748, 24685, 49370, 98740, 942967, 1885934, 3771868, 4714835, 9429670, 18859340]

約数ペア:

[(1, 18859340), (2, 9429670), (4, 4714835), (5, 3771868), (10, 1885934), (20, 942967), (191, 98740), (382, 49370), (764, 24685), (955, 19748), (1910, 9874), (3820, 4937)]