19540390

素因数分解:

$2^1\times 5^1\times {\mathrm{617}}^1\times {\mathrm{3167}}^1$

素因数の和:3791

約数の個数: 16

約数和(自身を含む): 35240832

約数和(自身を除く): 15700442

約数列:

[1, 2, 5, 10, 617, 1234, 3085, 3167, 6170, 6334, 15835, 31670, 1954039, 3908078, 9770195, 19540390]

約数ペア:

[(1, 19540390), (2, 9770195), (5, 3908078), (10, 1954039), (617, 31670), (1234, 15835), (3085, 6334), (3167, 6170)]