19643546

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{89}}^1\times {\mathrm{653}}^1$

素因数の和:770

約数の個数: 24

約数和(自身を含む): 32314140

約数和(自身を除く): 12670594

約数列:

[1, 2, 13, 26, 89, 169, 178, 338, 653, 1157, 1306, 2314, 8489, 15041, 16978, 30082, 58117, 110357, 116234, 220714, 755521, 1511042, 9821773, 19643546]

約数ペア:

[(1, 19643546), (2, 9821773), (13, 1511042), (26, 755521), (89, 220714), (169, 116234), (178, 110357), (338, 58117), (653, 30082), (1157, 16978), (1306, 15041), (2314, 8489)]