19733506

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{281}}^1$

素因数の和:406

約数の個数: 32

約数和(自身を含む): 33305328

約数和(自身を除く): 13571822

約数列:

[1, 2, 13, 26, 37, 73, 74, 146, 281, 481, 562, 949, 962, 1898, 2701, 3653, 5402, 7306, 10397, 20513, 20794, 35113, 41026, 70226, 135161, 266669, 270322, 533338, 758981, 1517962, 9866753, 19733506]

約数ペア:

[(1, 19733506), (2, 9866753), (13, 1517962), (26, 758981), (37, 533338), (73, 270322), (74, 266669), (146, 135161), (281, 70226), (481, 41026), (562, 35113), (949, 20794), (962, 20513), (1898, 10397), (2701, 7306), (3653, 5402)]