11820185

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{563}}^1$

素因数の和:617

約数の個数: 32

約数和(自身を含む): 17055360

約数和(自身を除く): 5235175

約数列:

[1, 5, 13, 17, 19, 65, 85, 95, 221, 247, 323, 563, 1105, 1235, 1615, 2815, 4199, 7319, 9571, 10697, 20995, 36595, 47855, 53485, 124423, 139061, 181849, 622115, 695305, 909245, 2364037, 11820185]

約数ペア:

[(1, 11820185), (5, 2364037), (13, 909245), (17, 695305), (19, 622115), (65, 181849), (85, 139061), (95, 124423), (221, 53485), (247, 47855), (323, 36595), (563, 20995), (1105, 10697), (1235, 9571), (1615, 7319), (2815, 4199)]