19905726

素因数分解:

$2^1\times 3^1\times {\mathrm{127}}^1\times {\mathrm{151}}^1\times {\mathrm{173}}^1$

素因数の和:456

約数の個数: 32

約数和(自身を含む): 40624128

約数和(自身を除く): 20718402

約数列:

[1, 2, 3, 6, 127, 151, 173, 254, 302, 346, 381, 453, 519, 762, 906, 1038, 19177, 21971, 26123, 38354, 43942, 52246, 57531, 65913, 78369, 115062, 131826, 156738, 3317621, 6635242, 9952863, 19905726]

約数ペア:

[(1, 19905726), (2, 9952863), (3, 6635242), (6, 3317621), (127, 156738), (151, 131826), (173, 115062), (254, 78369), (302, 65913), (346, 57531), (381, 52246), (453, 43942), (519, 38354), (762, 26123), (906, 21971), (1038, 19177)]