19138618

素因数分解:

$2^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{2543}}^1$

素因数の和:2669

約数の個数: 16

約数和(自身を含む): 29673216

約数和(自身を除く): 10534598

約数列:

[1, 2, 53, 71, 106, 142, 2543, 3763, 5086, 7526, 134779, 180553, 269558, 361106, 9569309, 19138618]

約数ペア:

[(1, 19138618), (2, 9569309), (53, 361106), (71, 269558), (106, 180553), (142, 134779), (2543, 7526), (3763, 5086)]