18202115

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{2731}}^1$

素因数の和:2810

約数の個数: 16

約数和(自身を含む): 23079936

約数和(自身を除く): 4877821

約数列:

[1, 5, 31, 43, 155, 215, 1333, 2731, 6665, 13655, 84661, 117433, 423305, 587165, 3640423, 18202115]

約数ペア:

[(1, 18202115), (5, 3640423), (31, 587165), (43, 423305), (155, 117433), (215, 84661), (1333, 13655), (2731, 6665)]