19237257

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{18269}}^1$

素因数の和:18294

約数の個数: 20

約数和(自身を含む): 30949380

約数和(自身を除く): 11712123

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 351, 1053, 18269, 54807, 164421, 237497, 493263, 712491, 1479789, 2137473, 6412419, 19237257]

約数ペア:

[(1, 19237257), (3, 6412419), (9, 2137473), (13, 1479789), (27, 712491), (39, 493263), (81, 237497), (117, 164421), (351, 54807), (1053, 18269)]