18377427

素因数分解:

$3^1\times {\mathrm{19}}^2\times {\mathrm{71}}^1\times {\mathrm{239}}^1$

素因数の和:351

約数の個数: 24

約数和(自身を含む): 26334720

約数和(自身を除く): 7957293

約数列:

[1, 3, 19, 57, 71, 213, 239, 361, 717, 1083, 1349, 4047, 4541, 13623, 16969, 25631, 50907, 76893, 86279, 258837, 322411, 967233, 6125809, 18377427]

約数ペア:

[(1, 18377427), (3, 6125809), (19, 967233), (57, 322411), (71, 258837), (213, 86279), (239, 76893), (361, 50907), (717, 25631), (1083, 16969), (1349, 13623), (4047, 4541)]