19906712

素因数分解:

$2^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{11467}}^1$

素因数の和:11511

約数の個数: 32

約数和(自身を含む): 44037120

約数和(自身を除く): 24130408

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 56, 62, 124, 217, 248, 434, 868, 1736, 11467, 22934, 45868, 80269, 91736, 160538, 321076, 355477, 642152, 710954, 1421908, 2488339, 2843816, 4976678, 9953356, 19906712]

約数ペア:

[(1, 19906712), (2, 9953356), (4, 4976678), (7, 2843816), (8, 2488339), (14, 1421908), (28, 710954), (31, 642152), (56, 355477), (62, 321076), (124, 160538), (217, 91736), (248, 80269), (434, 45868), (868, 22934), (1736, 11467)]