18788091

素因数分解:

$3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{12601}}^1$

素因数の和:12682

約数の個数: 16

約数和(自身を含む): 29035008

約数和(自身を除く): 10246917

約数列:

[1, 3, 7, 21, 71, 213, 497, 1491, 12601, 37803, 88207, 264621, 894671, 2684013, 6262697, 18788091]

約数ペア:

[(1, 18788091), (3, 6262697), (7, 2684013), (21, 894671), (71, 264621), (213, 88207), (497, 37803), (1491, 12601)]