19982744

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{60923}}^1$

素因数の和:60970

約数の個数: 16

約数和(自身を含む): 38382120

約数和(自身を除く): 18399376

約数列:

[1, 2, 4, 8, 41, 82, 164, 328, 60923, 121846, 243692, 487384, 2497843, 4995686, 9991372, 19982744]

約数ペア:

[(1, 19982744), (2, 9991372), (4, 4995686), (8, 2497843), (41, 487384), (82, 243692), (164, 121846), (328, 60923)]