18909117

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{1693}}^1$

素因数の和:1789

約数の個数: 24

約数和(自身を含む): 29333304

約数和(自身を除く): 10424187

約数列:

[1, 3, 9, 17, 51, 73, 153, 219, 657, 1241, 1693, 3723, 5079, 11169, 15237, 28781, 86343, 123589, 259029, 370767, 1112301, 2101013, 6303039, 18909117]

約数ペア:

[(1, 18909117), (3, 6303039), (9, 2101013), (17, 1112301), (51, 370767), (73, 259029), (153, 123589), (219, 86343), (657, 28781), (1241, 15237), (1693, 11169), (3723, 5079)]