18280509

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{9973}}^1$

素因数の和:10036

約数の個数: 16

約数和(自身を含む): 26810112

約数和(自身を除く): 8529603

約数列:

[1, 3, 13, 39, 47, 141, 611, 1833, 9973, 29919, 129649, 388947, 468731, 1406193, 6093503, 18280509]

約数ペア:

[(1, 18280509), (3, 6093503), (13, 1406193), (39, 468731), (47, 388947), (141, 129649), (611, 29919), (1833, 9973)]