18891603

素因数分解:

$3^3\times {\mathrm{47}}^1\times {\mathrm{14887}}^1$

素因数の和:14943

約数の個数: 16

約数和(自身を含む): 28584960

約数和(自身を除く): 9693357

約数列:

[1, 3, 9, 27, 47, 141, 423, 1269, 14887, 44661, 133983, 401949, 699689, 2099067, 6297201, 18891603]

約数ペア:

[(1, 18891603), (3, 6297201), (9, 2099067), (27, 699689), (47, 401949), (141, 133983), (423, 44661), (1269, 14887)]