19821165

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{1117}}^1$

素因数の和:1158

約数の個数: 48

約数和(自身を含む): 39282048

約数和(自身を除く): 19460883

約数列:

[1, 3, 5, 7, 13, 15, 21, 35, 39, 65, 91, 105, 169, 195, 273, 455, 507, 845, 1117, 1183, 1365, 2535, 3351, 3549, 5585, 5915, 7819, 14521, 16755, 17745, 23457, 39095, 43563, 72605, 101647, 117285, 188773, 217815, 304941, 508235, 566319, 943865, 1321411, 1524705, 2831595, 3964233, 6607055, 19821165]

約数ペア:

[(1, 19821165), (3, 6607055), (5, 3964233), (7, 2831595), (13, 1524705), (15, 1321411), (21, 943865), (35, 566319), (39, 508235), (65, 304941), (91, 217815), (105, 188773), (169, 117285), (195, 101647), (273, 72605), (455, 43563), (507, 39095), (845, 23457), (1117, 17745), (1183, 16755), (1365, 14521), (2535, 7819), (3351, 5915), (3549, 5585)]