19994013

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{56963}}^1$

素因数の和:56985

約数の個数: 16

約数和(自身を含む): 31899840

約数和(自身を除く): 11905827

約数列:

[1, 3, 9, 13, 27, 39, 117, 351, 56963, 170889, 512667, 740519, 1538001, 2221557, 6664671, 19994013]

約数ペア:

[(1, 19994013), (3, 6664671), (9, 2221557), (13, 1538001), (27, 740519), (39, 512667), (117, 170889), (351, 56963)]