19194850

素因数分解:

$2^1\times 5^2\times {\mathrm{71}}^1\times {\mathrm{5407}}^1$

素因数の和:5490

約数の個数: 24

約数和(自身を含む): 36211968

約数和(自身を除く): 17017118

約数列:

[1, 2, 5, 10, 25, 50, 71, 142, 355, 710, 1775, 3550, 5407, 10814, 27035, 54070, 135175, 270350, 383897, 767794, 1919485, 3838970, 9597425, 19194850]

約数ペア:

[(1, 19194850), (2, 9597425), (5, 3838970), (10, 1919485), (25, 767794), (50, 383897), (71, 270350), (142, 135175), (355, 54070), (710, 27035), (1775, 10814), (3550, 5407)]