18699065

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{2857}}^1$

素因数の和:2897

約数の個数: 32

約数和(自身を含む): 29631744

約数和(自身を除く): 10932679

約数列:

[1, 5, 7, 11, 17, 35, 55, 77, 85, 119, 187, 385, 595, 935, 1309, 2857, 6545, 14285, 19999, 31427, 48569, 99995, 157135, 219989, 242845, 339983, 534259, 1099945, 1699915, 2671295, 3739813, 18699065]

約数ペア:

[(1, 18699065), (5, 3739813), (7, 2671295), (11, 1699915), (17, 1099945), (35, 534259), (55, 339983), (77, 242845), (85, 219989), (119, 157135), (187, 99995), (385, 48569), (595, 31427), (935, 19999), (1309, 14285), (2857, 6545)]