18841491

素因数分解:

$3^5\times {\mathrm{17}}^1\times {\mathrm{4561}}^1$

素因数の和:4593

約数の個数: 24

約数和(自身を含む): 29890224

約数和(自身を除く): 11048733

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 243, 459, 1377, 4131, 4561, 13683, 41049, 77537, 123147, 232611, 369441, 697833, 1108323, 2093499, 6280497, 18841491]

約数ペア:

[(1, 18841491), (3, 6280497), (9, 2093499), (17, 1108323), (27, 697833), (51, 369441), (81, 232611), (153, 123147), (243, 77537), (459, 41049), (1377, 13683), (4131, 4561)]