19115505

素因数分解:

$3^2\times 5^1\times {\mathrm{421}}^1\times {\mathrm{1009}}^1$

素因数の和:1441

約数の個数: 24

約数和(自身を含む): 33245160

約数和(自身を除く): 14129655

約数列:

[1, 3, 5, 9, 15, 45, 421, 1009, 1263, 2105, 3027, 3789, 5045, 6315, 9081, 15135, 18945, 45405, 424789, 1274367, 2123945, 3823101, 6371835, 19115505]

約数ペア:

[(1, 19115505), (3, 6371835), (5, 3823101), (9, 2123945), (15, 1274367), (45, 424789), (421, 45405), (1009, 18945), (1263, 15135), (2105, 9081), (3027, 6315), (3789, 5045)]