18821673

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{53623}}^1$

素因数の和:53645

約数の個数: 16

約数和(自身を含む): 30029440

約数和(自身を除く): 11207767

約数列:

[1, 3, 9, 13, 27, 39, 117, 351, 53623, 160869, 482607, 697099, 1447821, 2091297, 6273891, 18821673]

約数ペア:

[(1, 18821673), (3, 6273891), (9, 2091297), (13, 1447821), (27, 697099), (39, 482607), (117, 160869), (351, 53623)]