19491960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{127}}^1\times {\mathrm{1279}}^1$

素因数の和:1420

約数の個数: 64

約数和(自身を含む): 58982400

約数和(自身を除く): 39490440

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 127, 254, 381, 508, 635, 762, 1016, 1270, 1279, 1524, 1905, 2540, 2558, 3048, 3810, 3837, 5080, 5116, 6395, 7620, 7674, 10232, 12790, 15240, 15348, 19185, 25580, 30696, 38370, 51160, 76740, 153480, 162433, 324866, 487299, 649732, 812165, 974598, 1299464, 1624330, 1949196, 2436495, 3248660, 3898392, 4872990, 6497320, 9745980, 19491960]

約数ペア:

[(1, 19491960), (2, 9745980), (3, 6497320), (4, 4872990), (5, 3898392), (6, 3248660), (8, 2436495), (10, 1949196), (12, 1624330), (15, 1299464), (20, 974598), (24, 812165), (30, 649732), (40, 487299), (60, 324866), (120, 162433), (127, 153480), (254, 76740), (381, 51160), (508, 38370), (635, 30696), (762, 25580), (1016, 19185), (1270, 15348), (1279, 15240), (1524, 12790), (1905, 10232), (2540, 7674), (2558, 7620), (3048, 6395), (3810, 5116), (3837, 5080)]