19905064

素因数分解:

$2^3\times {\mathrm{47}}^1\times {\mathrm{167}}^1\times {\mathrm{317}}^1$

素因数の和:537

約数の個数: 32

約数和(自身を含む): 38465280

約数和(自身を除く): 18560216

約数列:

[1, 2, 4, 8, 47, 94, 167, 188, 317, 334, 376, 634, 668, 1268, 1336, 2536, 7849, 14899, 15698, 29798, 31396, 52939, 59596, 62792, 105878, 119192, 211756, 423512, 2488133, 4976266, 9952532, 19905064]

約数ペア:

[(1, 19905064), (2, 9952532), (4, 4976266), (8, 2488133), (47, 423512), (94, 211756), (167, 119192), (188, 105878), (317, 62792), (334, 59596), (376, 52939), (634, 31396), (668, 29798), (1268, 15698), (1336, 14899), (2536, 7849)]