18782751

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{10247}}^1$

素因数の和:10310

約数の個数: 16

約数和(自身を含む): 27546624

約数和(自身を除く): 8763873

約数列:

[1, 3, 13, 39, 47, 141, 611, 1833, 10247, 30741, 133211, 399633, 481609, 1444827, 6260917, 18782751]

約数ペア:

[(1, 18782751), (3, 6260917), (13, 1444827), (39, 481609), (47, 399633), (141, 133211), (611, 30741), (1833, 10247)]