11947808

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{457}}^1$

素因数の和:529

約数の個数: 48

約数和(自身を含む): 25391520

約数和(自身を除く): 13443712

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 43, 76, 86, 152, 172, 304, 344, 457, 608, 688, 817, 914, 1376, 1634, 1828, 3268, 3656, 6536, 7312, 8683, 13072, 14624, 17366, 19651, 26144, 34732, 39302, 69464, 78604, 138928, 157208, 277856, 314416, 373369, 628832, 746738, 1493476, 2986952, 5973904, 11947808]

約数ペア:

[(1, 11947808), (2, 5973904), (4, 2986952), (8, 1493476), (16, 746738), (19, 628832), (32, 373369), (38, 314416), (43, 277856), (76, 157208), (86, 138928), (152, 78604), (172, 69464), (304, 39302), (344, 34732), (457, 26144), (608, 19651), (688, 17366), (817, 14624), (914, 13072), (1376, 8683), (1634, 7312), (1828, 6536), (3268, 3656)]