19499714

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{281}}^1$

素因数の和:470

約数の個数: 32

約数和(自身を含む): 33684336

約数和(自身を除く): 14184622

約数列:

[1, 2, 13, 17, 26, 34, 157, 221, 281, 314, 442, 562, 2041, 2669, 3653, 4082, 4777, 5338, 7306, 9554, 34697, 44117, 62101, 69394, 88234, 124202, 573521, 749989, 1147042, 1499978, 9749857, 19499714]

約数ペア:

[(1, 19499714), (2, 9749857), (13, 1499978), (17, 1147042), (26, 749989), (34, 573521), (157, 124202), (221, 88234), (281, 69394), (314, 62101), (442, 44117), (562, 34697), (2041, 9554), (2669, 7306), (3653, 5338), (4082, 4777)]