18964970

素因数分解:

$2^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{40351}}^1$

素因数の和:40405

約数の個数: 16

約数和(自身を含む): 34864128

約数和(自身を除く): 15899158

約数列:

[1, 2, 5, 10, 47, 94, 235, 470, 40351, 80702, 201755, 403510, 1896497, 3792994, 9482485, 18964970]

約数ペア:

[(1, 18964970), (2, 9482485), (5, 3792994), (10, 1896497), (47, 403510), (94, 201755), (235, 80702), (470, 40351)]