19182425

素因数分解:

$5^2\times {\mathrm{71}}^1\times {\mathrm{101}}^1\times {\mathrm{107}}^1$

素因数の和:289

約数の個数: 24

約数和(自身を含む): 24587712

約数和(自身を除く): 5405287

約数列:

[1, 5, 25, 71, 101, 107, 355, 505, 535, 1775, 2525, 2675, 7171, 7597, 10807, 35855, 37985, 54035, 179275, 189925, 270175, 767297, 3836485, 19182425]

約数ペア:

[(1, 19182425), (5, 3836485), (25, 767297), (71, 270175), (101, 189925), (107, 179275), (355, 54035), (505, 37985), (535, 35855), (1775, 10807), (2525, 7597), (2675, 7171)]