18520359

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{1877}}^1$

素因数の和:1927

約数の個数: 32

約数和(自身を含む): 30288384

約数和(自身を除く): 11768025

約数列:

[1, 3, 11, 13, 23, 33, 39, 69, 143, 253, 299, 429, 759, 897, 1877, 3289, 5631, 9867, 20647, 24401, 43171, 61941, 73203, 129513, 268411, 474881, 561223, 805233, 1424643, 1683669, 6173453, 18520359]

約数ペア:

[(1, 18520359), (3, 6173453), (11, 1683669), (13, 1424643), (23, 805233), (33, 561223), (39, 474881), (69, 268411), (143, 129513), (253, 73203), (299, 61941), (429, 43171), (759, 24401), (897, 20647), (1877, 9867), (3289, 5631)]