19385870

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{39563}}^1$

素因数の和:39584

約数の個数: 24

約数和(自身を含む): 40592664

約数和(自身を除く): 21206794

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 39563, 79126, 197815, 276941, 395630, 553882, 1384705, 1938587, 2769410, 3877174, 9692935, 19385870]

約数ペア:

[(1, 19385870), (2, 9692935), (5, 3877174), (7, 2769410), (10, 1938587), (14, 1384705), (35, 553882), (49, 395630), (70, 276941), (98, 197815), (245, 79126), (490, 39563)]