19972683

素因数分解:

$3^3\times {\mathrm{43}}^1\times {\mathrm{17203}}^1$

素因数の和:17255

約数の個数: 16

約数和(自身を含む): 30279040

約数和(自身を除く): 10306357

約数列:

[1, 3, 9, 27, 43, 129, 387, 1161, 17203, 51609, 154827, 464481, 739729, 2219187, 6657561, 19972683]

約数ペア:

[(1, 19972683), (3, 6657561), (9, 2219187), (27, 739729), (43, 464481), (129, 154827), (387, 51609), (1161, 17203)]