18513209

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{3499}}^1$

素因数の和:3560

約数の個数: 16

約数和(自身を含む): 22344000

約数和(自身を除く): 3830791

約数列:

[1, 11, 13, 37, 143, 407, 481, 3499, 5291, 38489, 45487, 129463, 500357, 1424093, 1683019, 18513209]

約数ペア:

[(1, 18513209), (11, 1683019), (13, 1424093), (37, 500357), (143, 129463), (407, 45487), (481, 38489), (3499, 5291)]