18881135

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{2441}}^1$

素因数の和:2483

約数の個数: 32

約数和(自身を含む): 29538432

約数和(自身を除く): 10657297

約数列:

[1, 5, 7, 13, 17, 35, 65, 85, 91, 119, 221, 455, 595, 1105, 1547, 2441, 7735, 12205, 17087, 31733, 41497, 85435, 158665, 207485, 222131, 290479, 539461, 1110655, 1452395, 2697305, 3776227, 18881135]

約数ペア:

[(1, 18881135), (5, 3776227), (7, 2697305), (13, 1452395), (17, 1110655), (35, 539461), (65, 290479), (85, 222131), (91, 207485), (119, 158665), (221, 85435), (455, 41497), (595, 31733), (1105, 17087), (1547, 12205), (2441, 7735)]