19140772

素因数分解:

$2^2\times 7^4\times {\mathrm{1993}}^1$

素因数の和:2025

約数の個数: 30

約数和(自身を含む): 39096358

約数和(自身を除く): 19955586

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 343, 686, 1372, 1993, 2401, 3986, 4802, 7972, 9604, 13951, 27902, 55804, 97657, 195314, 390628, 683599, 1367198, 2734396, 4785193, 9570386, 19140772]

約数ペア:

[(1, 19140772), (2, 9570386), (4, 4785193), (7, 2734396), (14, 1367198), (28, 683599), (49, 390628), (98, 195314), (196, 97657), (343, 55804), (686, 27902), (1372, 13951), (1993, 9604), (2401, 7972), (3986, 4802)]