19668184

素因数分解:

$2^3\times {\mathrm{17}}^2\times {\mathrm{47}}^1\times {\mathrm{181}}^1$

素因数の和:268

約数の個数: 48

約数和(自身を含む): 40229280

約数和(自身を除く): 20561096

約数列:

[1, 2, 4, 8, 17, 34, 47, 68, 94, 136, 181, 188, 289, 362, 376, 578, 724, 799, 1156, 1448, 1598, 2312, 3077, 3196, 6154, 6392, 8507, 12308, 13583, 17014, 24616, 27166, 34028, 52309, 54332, 68056, 104618, 108664, 144619, 209236, 289238, 418472, 578476, 1156952, 2458523, 4917046, 9834092, 19668184]

約数ペア:

[(1, 19668184), (2, 9834092), (4, 4917046), (8, 2458523), (17, 1156952), (34, 578476), (47, 418472), (68, 289238), (94, 209236), (136, 144619), (181, 108664), (188, 104618), (289, 68056), (362, 54332), (376, 52309), (578, 34028), (724, 27166), (799, 24616), (1156, 17014), (1448, 13583), (1598, 12308), (2312, 8507), (3077, 6392), (3196, 6154)]