19218147

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{571}}^1\times {\mathrm{863}}^1$

素因数の和:1450

約数の個数: 16

約数和(自身を含む): 27675648

約数和(自身を除く): 8457501

約数列:

[1, 3, 13, 39, 571, 863, 1713, 2589, 7423, 11219, 22269, 33657, 492773, 1478319, 6406049, 19218147]

約数ペア:

[(1, 19218147), (3, 6406049), (13, 1478319), (39, 492773), (571, 33657), (863, 22269), (1713, 11219), (2589, 7423)]