18747794

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{37951}}^1$

素因数の和:37985

約数の個数: 16

約数和(自身を含む): 31879680

約数和(自身を除く): 13131886

約数列:

[1, 2, 13, 19, 26, 38, 247, 494, 37951, 75902, 493363, 721069, 986726, 1442138, 9373897, 18747794]

約数ペア:

[(1, 18747794), (2, 9373897), (13, 1442138), (19, 986726), (26, 721069), (38, 493363), (247, 75902), (494, 37951)]