19398015

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1579}}^1$

素因数の和:1613

約数の個数: 64

約数和(自身を含む): 42470400

約数和(自身を除く): 23072385

約数列:

[1, 3, 5, 7, 9, 13, 15, 21, 27, 35, 39, 45, 63, 65, 91, 105, 117, 135, 189, 195, 273, 315, 351, 455, 585, 819, 945, 1365, 1579, 1755, 2457, 4095, 4737, 7895, 11053, 12285, 14211, 20527, 23685, 33159, 42633, 55265, 61581, 71055, 99477, 102635, 143689, 165795, 184743, 213165, 298431, 307905, 431067, 497385, 554229, 718445, 923715, 1293201, 1492155, 2155335, 2771145, 3879603, 6466005, 19398015]

約数ペア:

[(1, 19398015), (3, 6466005), (5, 3879603), (7, 2771145), (9, 2155335), (13, 1492155), (15, 1293201), (21, 923715), (27, 718445), (35, 554229), (39, 497385), (45, 431067), (63, 307905), (65, 298431), (91, 213165), (105, 184743), (117, 165795), (135, 143689), (189, 102635), (195, 99477), (273, 71055), (315, 61581), (351, 55265), (455, 42633), (585, 33159), (819, 23685), (945, 20527), (1365, 14211), (1579, 12285), (1755, 11053), (2457, 7895), (4095, 4737)]