19176880

素因数分解:

$2^4\times 5^1\times {\mathrm{239711}}^1$

素因数の和:239724

約数の個数: 20

約数和(自身を含む): 44586432

約数和(自身を除く): 25409552

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 239711, 479422, 958844, 1198555, 1917688, 2397110, 3835376, 4794220, 9588440, 19176880]

約数ペア:

[(1, 19176880), (2, 9588440), (4, 4794220), (5, 3835376), (8, 2397110), (10, 1917688), (16, 1198555), (20, 958844), (40, 479422), (80, 239711)]