19138590

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{212651}}^1$

素因数の和:212664

約数の個数: 24

約数和(自身を含む): 49760568

約数和(自身を除く): 30621978

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 212651, 425302, 637953, 1063255, 1275906, 1913859, 2126510, 3189765, 3827718, 6379530, 9569295, 19138590]

約数ペア:

[(1, 19138590), (2, 9569295), (3, 6379530), (5, 3827718), (6, 3189765), (9, 2126510), (10, 1913859), (15, 1275906), (18, 1063255), (30, 637953), (45, 425302), (90, 212651)]