19698279

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{257}}^1\times {\mathrm{881}}^1$

素因数の和:1170

約数の個数: 16

約数和(自身を含む): 27306720

約数和(自身を除く): 7608441

約数列:

[1, 3, 29, 87, 257, 771, 881, 2643, 7453, 22359, 25549, 76647, 226417, 679251, 6566093, 19698279]

約数ペア:

[(1, 19698279), (3, 6566093), (29, 679251), (87, 226417), (257, 76647), (771, 25549), (881, 22359), (2643, 7453)]