19930126

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{83}}^1\times {\mathrm{89}}^1$

素因数の和:264

約数の個数: 32

約数和(自身を含む): 32659200

約数和(自身を除く): 12729074

約数列:

[1, 2, 19, 38, 71, 83, 89, 142, 166, 178, 1349, 1577, 1691, 2698, 3154, 3382, 5893, 6319, 7387, 11786, 12638, 14774, 111967, 120061, 140353, 223934, 240122, 280706, 524477, 1048954, 9965063, 19930126]

約数ペア:

[(1, 19930126), (2, 9965063), (19, 1048954), (38, 524477), (71, 280706), (83, 240122), (89, 223934), (142, 140353), (166, 120061), (178, 111967), (1349, 14774), (1577, 12638), (1691, 11786), (2698, 7387), (3154, 6319), (3382, 5893)]