19217949

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{107}}^1\times {\mathrm{137}}^1$

素因数の和:289

約数の個数: 32

約数和(自身を含む): 28615680

約数和(自身を除く): 9397731

約数列:

[1, 3, 19, 23, 57, 69, 107, 137, 321, 411, 437, 1311, 2033, 2461, 2603, 3151, 6099, 7383, 7809, 9453, 14659, 43977, 46759, 59869, 140277, 179607, 278521, 337157, 835563, 1011471, 6405983, 19217949]

約数ペア:

[(1, 19217949), (3, 6405983), (19, 1011471), (23, 835563), (57, 337157), (69, 278521), (107, 179607), (137, 140277), (321, 59869), (411, 46759), (437, 43977), (1311, 14659), (2033, 9453), (2461, 7809), (2603, 7383), (3151, 6099)]