18886933

素因数分解:

${\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{113}}^1$

素因数の和:205

約数の個数: 24

約数和(自身を含む): 22030272

約数和(自身を除く): 3143339

約数列:

[1, 13, 23, 43, 113, 169, 299, 559, 989, 1469, 2599, 3887, 4859, 7267, 12857, 19097, 33787, 63167, 111757, 167141, 439231, 821171, 1452841, 18886933]

約数ペア:

[(1, 18886933), (13, 1452841), (23, 821171), (43, 439231), (113, 167141), (169, 111757), (299, 63167), (559, 33787), (989, 19097), (1469, 12857), (2599, 7267), (3887, 4859)]