18032609

素因数分解:

$7^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1\times {\mathrm{431}}^1$

素因数の和:620

約数の個数: 16

約数和(自身を含む): 21288960

約数和(自身を除く): 3256351

約数列:

[1, 7, 43, 139, 301, 431, 973, 3017, 5977, 18533, 41839, 59909, 129731, 419363, 2576087, 18032609]

約数ペア:

[(1, 18032609), (7, 2576087), (43, 419363), (139, 129731), (301, 59909), (431, 41839), (973, 18533), (3017, 5977)]