19519310

素因数分解:

$2^1\times 5^1\times {\mathrm{97}}^1\times {\mathrm{20123}}^1$

素因数の和:20227

約数の個数: 16

約数和(自身を含む): 35498736

約数和(自身を除く): 15979426

約数列:

[1, 2, 5, 10, 97, 194, 485, 970, 20123, 40246, 100615, 201230, 1951931, 3903862, 9759655, 19519310]

約数ペア:

[(1, 19519310), (2, 9759655), (5, 3903862), (10, 1951931), (97, 201230), (194, 100615), (485, 40246), (970, 20123)]