19940292

素因数分解:

$2^2\times 3^2\times {\mathrm{553897}}^1$

素因数の和:553907

約数の個数: 18

約数和(自身を含む): 50404718

約数和(自身を除く): 30464426

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 553897, 1107794, 1661691, 2215588, 3323382, 4985073, 6646764, 9970146, 19940292]

約数ペア:

[(1, 19940292), (2, 9970146), (3, 6646764), (4, 4985073), (6, 3323382), (9, 2215588), (12, 1661691), (18, 1107794), (36, 553897)]