18888830

素因数分解:

$2^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{40189}}^1$

素因数の和:40243

約数の個数: 16

約数和(自身を含む): 34724160

約数和(自身を除く): 15835330

約数列:

[1, 2, 5, 10, 47, 94, 235, 470, 40189, 80378, 200945, 401890, 1888883, 3777766, 9444415, 18888830]

約数ペア:

[(1, 18888830), (2, 9444415), (5, 3777766), (10, 1888883), (47, 401890), (94, 200945), (235, 80378), (470, 40189)]