19958679

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{179}}^1\times {\mathrm{953}}^1$

素因数の和:1151

約数の個数: 24

約数和(自身を含む): 31253040

約数和(自身を除く): 11294361

約数列:

[1, 3, 9, 13, 39, 117, 179, 537, 953, 1611, 2327, 2859, 6981, 8577, 12389, 20943, 37167, 111501, 170587, 511761, 1535283, 2217631, 6652893, 19958679]

約数ペア:

[(1, 19958679), (3, 6652893), (9, 2217631), (13, 1535283), (39, 511761), (117, 170587), (179, 111501), (537, 37167), (953, 20943), (1611, 12389), (2327, 8577), (2859, 6981)]