18914538

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{1999}}^1$

素因数の和:2106

約数の個数: 32

約数和(自身を含む): 40320000

約数和(自身を除く): 21405462

約数列:

[1, 2, 3, 6, 19, 38, 57, 83, 114, 166, 249, 498, 1577, 1999, 3154, 3998, 4731, 5997, 9462, 11994, 37981, 75962, 113943, 165917, 227886, 331834, 497751, 995502, 3152423, 6304846, 9457269, 18914538]

約数ペア:

[(1, 18914538), (2, 9457269), (3, 6304846), (6, 3152423), (19, 995502), (38, 497751), (57, 331834), (83, 227886), (114, 165917), (166, 113943), (249, 75962), (498, 37981), (1577, 11994), (1999, 9462), (3154, 5997), (3998, 4731)]