18804932419

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{193}}^1\times {\mathrm{152959}}^1$

素因数の和:153179

約数の個数: 24

約数和(自身を含む): 23680043520

約数和(自身を除く): 4875111101

約数列:

[1, 7, 13, 49, 91, 193, 637, 1351, 2509, 9457, 17563, 122941, 152959, 1070713, 1988467, 7494991, 13919269, 29521087, 97434883, 206647609, 383774131, 1446533263, 2686418917, 18804932419]

約数ペア:

[(1, 18804932419), (7, 2686418917), (13, 1446533263), (49, 383774131), (91, 206647609), (193, 97434883), (637, 29521087), (1351, 13919269), (2509, 7494991), (9457, 1988467), (17563, 1070713), (122941, 152959)]