19209645

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{4691}}^1$

素因数の和:4722

約数の個数: 48

約数和(自身を含む): 40989312

約数和(自身を除く): 21779667

約数列:

[1, 3, 5, 7, 9, 13, 15, 21, 35, 39, 45, 63, 65, 91, 105, 117, 195, 273, 315, 455, 585, 819, 1365, 4095, 4691, 14073, 23455, 32837, 42219, 60983, 70365, 98511, 164185, 182949, 211095, 295533, 304915, 426881, 492555, 548847, 914745, 1280643, 1477665, 2134405, 2744235, 3841929, 6403215, 19209645]

約数ペア:

[(1, 19209645), (3, 6403215), (5, 3841929), (7, 2744235), (9, 2134405), (13, 1477665), (15, 1280643), (21, 914745), (35, 548847), (39, 492555), (45, 426881), (63, 304915), (65, 295533), (91, 211095), (105, 182949), (117, 164185), (195, 98511), (273, 70365), (315, 60983), (455, 42219), (585, 32837), (819, 23455), (1365, 14073), (4095, 4691)]