18921942

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{80863}}^1$

素因数の和:80884

約数の個数: 24

約数和(自身を含む): 44151744

約数和(自身を除く): 25229802

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 234, 80863, 161726, 242589, 485178, 727767, 1051219, 1455534, 2102438, 3153657, 6307314, 9460971, 18921942]

約数ペア:

[(1, 18921942), (2, 9460971), (3, 6307314), (6, 3153657), (9, 2102438), (13, 1455534), (18, 1051219), (26, 727767), (39, 485178), (78, 242589), (117, 161726), (234, 80863)]