18835983

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{13679}}^1$

素因数の和:13708

約数の個数: 20

約数和(自身を含む): 29795040

約数和(自身を除く): 10959057

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 459, 1377, 13679, 41037, 123111, 232543, 369333, 697629, 1107999, 2092887, 6278661, 18835983]

約数ペア:

[(1, 18835983), (3, 6278661), (9, 2092887), (17, 1107999), (27, 697629), (51, 369333), (81, 232543), (153, 123111), (459, 41037), (1377, 13679)]