18398361

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{83}}^1\times {\mathrm{1997}}^1$

素因数の和:2120

約数の個数: 16

約数和(自身を含む): 25510464

約数和(自身を除く): 7112103

約数列:

[1, 3, 37, 83, 111, 249, 1997, 3071, 5991, 9213, 73889, 165751, 221667, 497253, 6132787, 18398361]

約数ペア:

[(1, 18398361), (3, 6132787), (37, 497253), (83, 221667), (111, 165751), (249, 73889), (1997, 9213), (3071, 5991)]