20131938718

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{4129}}^1\times {\mathrm{4139}}^1$

素因数の和:8320

約数の個数: 32

約数和(自身を含む): 32828544000

約数和(自身を除く): 12696605282

約数列:

[1, 2, 19, 31, 38, 62, 589, 1178, 4129, 4139, 8258, 8278, 78451, 78641, 127999, 128309, 156902, 157282, 255998, 256618, 2431981, 2437871, 4863962, 4875742, 17089931, 34179862, 324708689, 529787861, 649417378, 1059575722, 10065969359, 20131938718]

約数ペア:

[(1, 20131938718), (2, 10065969359), (19, 1059575722), (31, 649417378), (38, 529787861), (62, 324708689), (589, 34179862), (1178, 17089931), (4129, 4875742), (4139, 4863962), (8258, 2437871), (8278, 2431981), (78451, 256618), (78641, 255998), (127999, 157282), (128309, 156902)]