19906084

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{227}}^1\times {\mathrm{1993}}^1$

素因数の和:2235

約数の個数: 24

約数和(自身を含む): 38189088

約数和(自身を除く): 18283004

約数列:

[1, 2, 4, 11, 22, 44, 227, 454, 908, 1993, 2497, 3986, 4994, 7972, 9988, 21923, 43846, 87692, 452411, 904822, 1809644, 4976521, 9953042, 19906084]

約数ペア:

[(1, 19906084), (2, 9953042), (4, 4976521), (11, 1809644), (22, 904822), (44, 452411), (227, 87692), (454, 43846), (908, 21923), (1993, 9988), (2497, 7972), (3986, 4994)]