18217638

素因数分解:

$2^1\times 3^2\times {\mathrm{43}}^1\times {\mathrm{23537}}^1$

素因数の和:23588

約数の個数: 24

約数和(自身を含む): 40391208

約数和(自身を除く): 22173570

約数列:

[1, 2, 3, 6, 9, 18, 43, 86, 129, 258, 387, 774, 23537, 47074, 70611, 141222, 211833, 423666, 1012091, 2024182, 3036273, 6072546, 9108819, 18217638]

約数ペア:

[(1, 18217638), (2, 9108819), (3, 6072546), (6, 3036273), (9, 2024182), (18, 1012091), (43, 423666), (86, 211833), (129, 141222), (258, 70611), (387, 47074), (774, 23537)]