19620874

素因数分解:

$2^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{15401}}^1$

素因数の和:15430

約数の個数: 24

約数和(自身を含む): 36872388

約数和(自身を除く): 17251514

約数列:

[1, 2, 7, 13, 14, 26, 49, 91, 98, 182, 637, 1274, 15401, 30802, 107807, 200213, 215614, 400426, 754649, 1401491, 1509298, 2802982, 9810437, 19620874]

約数ペア:

[(1, 19620874), (2, 9810437), (7, 2802982), (13, 1509298), (14, 1401491), (26, 754649), (49, 400426), (91, 215614), (98, 200213), (182, 107807), (637, 30802), (1274, 15401)]