19062783

素因数分解:

$3^4\times {\mathrm{157}}^1\times {\mathrm{1499}}^1$

素因数の和:1668

約数の個数: 20

約数和(自身を含む): 28677000

約数和(自身を除く): 9614217

約数列:

[1, 3, 9, 27, 81, 157, 471, 1413, 1499, 4239, 4497, 12717, 13491, 40473, 121419, 235343, 706029, 2118087, 6354261, 19062783]

約数ペア:

[(1, 19062783), (3, 6354261), (9, 2118087), (27, 706029), (81, 235343), (157, 121419), (471, 40473), (1413, 13491), (1499, 12717), (4239, 4497)]