18970231

素因数分解:

$7^1\times {\mathrm{83}}^1\times {\mathrm{103}}^1\times {\mathrm{317}}^1$

素因数の和:510

約数の個数: 16

約数和(自身を含む): 22224384

約数和(自身を除く): 3254153

約数列:

[1, 7, 83, 103, 317, 581, 721, 2219, 8549, 26311, 32651, 59843, 184177, 228557, 2710033, 18970231]

約数ペア:

[(1, 18970231), (7, 2710033), (83, 228557), (103, 184177), (317, 59843), (581, 32651), (721, 26311), (2219, 8549)]