18745101

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{13613}}^1$

素因数の和:13642

約数の個数: 20

約数和(自身を含む): 29651292

約数和(自身を除く): 10906191

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 459, 1377, 13613, 40839, 122517, 231421, 367551, 694263, 1102653, 2082789, 6248367, 18745101]

約数ペア:

[(1, 18745101), (3, 6248367), (9, 2082789), (17, 1102653), (27, 694263), (51, 367551), (81, 231421), (153, 122517), (459, 40839), (1377, 13613)]