18846999

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{13687}}^1$

素因数の和:13716

約数の個数: 20

約数和(自身を含む): 29812464

約数和(自身を除く): 10965465

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 459, 1377, 13687, 41061, 123183, 232679, 369549, 698037, 1108647, 2094111, 6282333, 18846999]

約数ペア:

[(1, 18846999), (3, 6282333), (9, 2094111), (17, 1108647), (27, 698037), (51, 369549), (81, 232679), (153, 123183), (459, 41061), (1377, 13687)]