19947852

素因数分解:

$2^2\times 3^2\times {\mathrm{227}}^1\times {\mathrm{2441}}^1$

素因数の和:2678

約数の個数: 36

約数和(自身を含む): 50666616

約数和(自身を除く): 30718764

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 227, 454, 681, 908, 1362, 2043, 2441, 2724, 4086, 4882, 7323, 8172, 9764, 14646, 21969, 29292, 43938, 87876, 554107, 1108214, 1662321, 2216428, 3324642, 4986963, 6649284, 9973926, 19947852]

約数ペア:

[(1, 19947852), (2, 9973926), (3, 6649284), (4, 4986963), (6, 3324642), (9, 2216428), (12, 1662321), (18, 1108214), (36, 554107), (227, 87876), (454, 43938), (681, 29292), (908, 21969), (1362, 14646), (2043, 9764), (2441, 8172), (2724, 7323), (4086, 4882)]