18214105

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{40031}}^1$

素因数の和:40056

約数の個数: 16

約数和(自身を含む): 26901504

約数和(自身を除く): 8687399

約数列:

[1, 5, 7, 13, 35, 65, 91, 455, 40031, 200155, 280217, 520403, 1401085, 2602015, 3642821, 18214105]

約数ペア:

[(1, 18214105), (5, 3642821), (7, 2602015), (13, 1401085), (35, 520403), (65, 280217), (91, 200155), (455, 40031)]