19328371

素因数分解:

${\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{137}}^1\times {\mathrm{193}}^1$

素因数の和:390

約数の個数: 16

約数和(自身を含む): 21203424

約数和(自身を除く): 1875053

約数列:

[1, 17, 43, 137, 193, 731, 2329, 3281, 5891, 8299, 26441, 100147, 141083, 449497, 1136963, 19328371]

約数ペア:

[(1, 19328371), (17, 1136963), (43, 449497), (137, 141083), (193, 100147), (731, 26441), (2329, 8299), (3281, 5891)]