19289090

素因数分解:

$2^1\times 5^1\times {\mathrm{191}}^1\times {\mathrm{10099}}^1$

素因数の和:10297

約数の個数: 16

約数和(自身を含む): 34905600

約数和(自身を除く): 15616510

約数列:

[1, 2, 5, 10, 191, 382, 955, 1910, 10099, 20198, 50495, 100990, 1928909, 3857818, 9644545, 19289090]

約数ペア:

[(1, 19289090), (2, 9644545), (5, 3857818), (10, 1928909), (191, 100990), (382, 50495), (955, 20198), (1910, 10099)]