18715917

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{47}}^1\times {\mathrm{1097}}^1$

素因数の和:1169

約数の個数: 24

約数和(自身を含む): 28038528

約数和(自身を除く): 9322611

約数列:

[1, 3, 11, 33, 47, 121, 141, 363, 517, 1097, 1551, 3291, 5687, 12067, 17061, 36201, 51559, 132737, 154677, 398211, 567149, 1701447, 6238639, 18715917]

約数ペア:

[(1, 18715917), (3, 6238639), (11, 1701447), (33, 567149), (47, 398211), (121, 154677), (141, 132737), (363, 51559), (517, 36201), (1097, 17061), (1551, 12067), (3291, 5687)]