19511281409

素因数分解:

${\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{89}}^1\times {\mathrm{139}}^1\times {\mathrm{1459}}^1$

素因数の和:1757

約数の個数: 32

約数和(自身を含む): 21192192000

約数和(自身を除く): 1680910591

約数列:

[1, 23, 47, 89, 139, 1081, 1459, 2047, 3197, 4183, 6533, 12371, 33557, 68573, 96209, 129851, 150259, 202801, 284533, 581437, 1577179, 2986573, 4664423, 6102997, 9531647, 13373051, 18049289, 140368931, 219227881, 415133647, 848316583, 19511281409]

約数ペア:

[(1, 19511281409), (23, 848316583), (47, 415133647), (89, 219227881), (139, 140368931), (1081, 18049289), (1459, 13373051), (2047, 9531647), (3197, 6102997), (4183, 4664423), (6533, 2986573), (12371, 1577179), (33557, 581437), (68573, 284533), (96209, 202801), (129851, 150259)]