18867199

素因数分解:

${\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{709}}^1$

素因数の和:834

約数の個数: 16

約数和(自身を含む): 21470400

約数和(自身を除く): 2603201

約数列:

[1, 13, 23, 89, 299, 709, 1157, 2047, 9217, 16307, 26611, 63101, 211991, 820313, 1451323, 18867199]

約数ペア:

[(1, 18867199), (13, 1451323), (23, 820313), (89, 211991), (299, 63101), (709, 26611), (1157, 16307), (2047, 9217)]