18421299

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{1993}}^1$

素因数の和:2091

約数の個数: 24

約数和(自身を含む): 29032640

約数和(自身を除く): 10611341

約数列:

[1, 3, 9, 13, 39, 79, 117, 237, 711, 1027, 1993, 3081, 5979, 9243, 17937, 25909, 77727, 157447, 233181, 472341, 1417023, 2046811, 6140433, 18421299]

約数ペア:

[(1, 18421299), (3, 6140433), (9, 2046811), (13, 1417023), (39, 472341), (79, 233181), (117, 157447), (237, 77727), (711, 25909), (1027, 17937), (1993, 9243), (3081, 5979)]