19158201

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{13913}}^1$

素因数の和:13942

約数の個数: 20

約数和(自身を含む): 30304692

約数和(自身を除く): 11146491

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 459, 1377, 13913, 41739, 125217, 236521, 375651, 709563, 1126953, 2128689, 6386067, 19158201]

約数ペア:

[(1, 19158201), (3, 6386067), (9, 2128689), (17, 1126953), (27, 709563), (51, 375651), (81, 236521), (153, 125217), (459, 41739), (1377, 13913)]