18542485

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{157}}^1$

素因数の和:277

約数の個数: 32

約数和(自身を含む): 25482240

約数和(自身を除く): 6939755

約数列:

[1, 5, 13, 23, 65, 79, 115, 157, 299, 395, 785, 1027, 1495, 1817, 2041, 3611, 5135, 9085, 10205, 12403, 18055, 23621, 46943, 62015, 118105, 161239, 234715, 285269, 806195, 1426345, 3708497, 18542485]

約数ペア:

[(1, 18542485), (5, 3708497), (13, 1426345), (23, 806195), (65, 285269), (79, 234715), (115, 161239), (157, 118105), (299, 62015), (395, 46943), (785, 23621), (1027, 18055), (1495, 12403), (1817, 10205), (2041, 9085), (3611, 5135)]