19811386

素因数分解:

$2^1\times 7^2\times {\mathrm{113}}^1\times {\mathrm{1789}}^1$

素因数の和:1918

約数の個数: 24

約数和(自身を含む): 34894260

約数和(自身を除く): 15082874

約数列:

[1, 2, 7, 14, 49, 98, 113, 226, 791, 1582, 1789, 3578, 5537, 11074, 12523, 25046, 87661, 175322, 202157, 404314, 1415099, 2830198, 9905693, 19811386]

約数ペア:

[(1, 19811386), (2, 9905693), (7, 2830198), (14, 1415099), (49, 404314), (98, 202157), (113, 175322), (226, 87661), (791, 25046), (1582, 12523), (1789, 11074), (3578, 5537)]