19893590

素因数分解:

$2^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{18251}}^1$

素因数の和:18367

約数の個数: 16

約数和(自身を含む): 36138960

約数和(自身を除く): 16245370

約数列:

[1, 2, 5, 10, 109, 218, 545, 1090, 18251, 36502, 91255, 182510, 1989359, 3978718, 9946795, 19893590]

約数ペア:

[(1, 19893590), (2, 9946795), (5, 3978718), (10, 1989359), (109, 182510), (218, 91255), (545, 36502), (1090, 18251)]