19929253

素因数分解:

${\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{137}}^1\times {\mathrm{199}}^1$

素因数の和:396

約数の個数: 16

約数和(自身を含む): 21859200

約数和(自身を除く): 1929947

約数列:

[1, 17, 43, 137, 199, 731, 2329, 3383, 5891, 8557, 27263, 100147, 145469, 463471, 1172309, 19929253]

約数ペア:

[(1, 19929253), (17, 1172309), (43, 463471), (137, 145469), (199, 100147), (731, 27263), (2329, 8557), (3383, 5891)]