19997474

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{1151}}^1$

素因数の和:1250

約数の個数: 32

約数和(自身を含む): 36827136

約数和(自身を除く): 16829662

約数列:

[1, 2, 7, 14, 17, 34, 73, 119, 146, 238, 511, 1022, 1151, 1241, 2302, 2482, 8057, 8687, 16114, 17374, 19567, 39134, 84023, 136969, 168046, 273938, 588161, 1176322, 1428391, 2856782, 9998737, 19997474]

約数ペア:

[(1, 19997474), (2, 9998737), (7, 2856782), (14, 1428391), (17, 1176322), (34, 588161), (73, 273938), (119, 168046), (146, 136969), (238, 84023), (511, 39134), (1022, 19567), (1151, 17374), (1241, 16114), (2302, 8687), (2482, 8057)]