19870712

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{1367}}^1$

素因数の和:1475

約数の個数: 32

約数和(自身を含む): 39398400

約数和(自身を除く): 19527688

約数列:

[1, 2, 4, 8, 23, 46, 79, 92, 158, 184, 316, 632, 1367, 1817, 2734, 3634, 5468, 7268, 10936, 14536, 31441, 62882, 107993, 125764, 215986, 251528, 431972, 863944, 2483839, 4967678, 9935356, 19870712]

約数ペア:

[(1, 19870712), (2, 9935356), (4, 4967678), (8, 2483839), (23, 863944), (46, 431972), (79, 251528), (92, 215986), (158, 125764), (184, 107993), (316, 62882), (632, 31441), (1367, 14536), (1817, 10936), (2734, 7268), (3634, 5468)]