19728350

素因数分解:

$2^1\times 5^2\times {\mathrm{229}}^1\times {\mathrm{1723}}^1$

素因数の和:1964

約数の個数: 24

約数和(自身を含む): 36876360

約数和(自身を除く): 17148010

約数列:

[1, 2, 5, 10, 25, 50, 229, 458, 1145, 1723, 2290, 3446, 5725, 8615, 11450, 17230, 43075, 86150, 394567, 789134, 1972835, 3945670, 9864175, 19728350]

約数ペア:

[(1, 19728350), (2, 9864175), (5, 3945670), (10, 1972835), (25, 789134), (50, 394567), (229, 86150), (458, 43075), (1145, 17230), (1723, 11450), (2290, 8615), (3446, 5725)]