18674469

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{20959}}^1$

素因数の和:20982

約数の個数: 20

約数和(自身を含む): 30433920

約数和(自身を除く): 11759451

約数列:

[1, 3, 9, 11, 27, 33, 81, 99, 297, 891, 20959, 62877, 188631, 230549, 565893, 691647, 1697679, 2074941, 6224823, 18674469]

約数ペア:

[(1, 18674469), (3, 6224823), (9, 2074941), (11, 1697679), (27, 691647), (33, 565893), (81, 230549), (99, 188631), (297, 62877), (891, 20959)]