19651850

素因数分解:

$2^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{13553}}^1$

素因数の和:13594

約数の個数: 24

約数和(自身を含む): 37815660

約数和(自身を除く): 18163810

約数列:

[1, 2, 5, 10, 25, 29, 50, 58, 145, 290, 725, 1450, 13553, 27106, 67765, 135530, 338825, 393037, 677650, 786074, 1965185, 3930370, 9825925, 19651850]

約数ペア:

[(1, 19651850), (2, 9825925), (5, 3930370), (10, 1965185), (25, 786074), (29, 677650), (50, 393037), (58, 338825), (145, 135530), (290, 67765), (725, 27106), (1450, 13553)]