19561802

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{4349}}^1$

素因数の和:4537

約数の個数: 16

約数和(自身を含む): 31789800

約数和(自身を除く): 12227998

約数列:

[1, 2, 13, 26, 173, 346, 2249, 4349, 4498, 8698, 56537, 113074, 752377, 1504754, 9780901, 19561802]

約数ペア:

[(1, 19561802), (2, 9780901), (13, 1504754), (26, 752377), (173, 113074), (346, 56537), (2249, 8698), (4349, 4498)]