19287518

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{113}}^1\times {\mathrm{2753}}^1$

素因数の和:2899

約数の個数: 16

約数和(自身を含む): 30139776

約数和(自身を除く): 10852258

約数列:

[1, 2, 31, 62, 113, 226, 2753, 3503, 5506, 7006, 85343, 170686, 311089, 622178, 9643759, 19287518]

約数ペア:

[(1, 19287518), (2, 9643759), (31, 622178), (62, 311089), (113, 170686), (226, 85343), (2753, 7006), (3503, 5506)]