19474911

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{14143}}^1$

素因数の和:14172

約数の個数: 20

約数和(自身を含む): 30805632

約数和(自身を除く): 11330721

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 459, 1377, 14143, 42429, 127287, 240431, 381861, 721293, 1145583, 2163879, 6491637, 19474911]

約数ペア:

[(1, 19474911), (3, 6491637), (9, 2163879), (17, 1145583), (27, 721293), (51, 381861), (81, 240431), (153, 127287), (459, 42429), (1377, 14143)]