19841193

素因数分解:

$3^6\times {\mathrm{17}}^1\times {\mathrm{1601}}^1$

素因数の和:1636

約数の個数: 28

約数和(自身を含む): 31517748

約数和(自身を除く): 11676555

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 243, 459, 729, 1377, 1601, 4131, 4803, 12393, 14409, 27217, 43227, 81651, 129681, 244953, 389043, 734859, 1167129, 2204577, 6613731, 19841193]

約数ペア:

[(1, 19841193), (3, 6613731), (9, 2204577), (17, 1167129), (27, 734859), (51, 389043), (81, 244953), (153, 129681), (243, 81651), (459, 43227), (729, 27217), (1377, 14409), (1601, 12393), (4131, 4803)]