18878103621

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{53783771}}^1$

素因数の和:53783793

約数の個数: 16

約数和(自身を含む): 30118912320

約数和(自身を除く): 11240808699

約数列:

[1, 3, 9, 13, 27, 39, 117, 351, 53783771, 161351313, 484053939, 699189023, 1452161817, 2097567069, 6292701207, 18878103621]

約数ペア:

[(1, 18878103621), (3, 6292701207), (9, 2097567069), (13, 1452161817), (27, 699189023), (39, 484053939), (117, 161351313), (351, 53783771)]