18712317

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^2\times {\mathrm{907}}^1$

素因数の和:969

約数の個数: 24

約数和(自身を含む): 28118944

約数和(自身を除く): 9406627

約数列:

[1, 3, 13, 23, 39, 69, 299, 529, 897, 907, 1587, 2721, 6877, 11791, 20631, 20861, 35373, 62583, 271193, 479803, 813579, 1439409, 6237439, 18712317]

約数ペア:

[(1, 18712317), (3, 6237439), (13, 1439409), (23, 813579), (39, 479803), (69, 271193), (299, 62583), (529, 35373), (897, 20861), (907, 20631), (1587, 11791), (2721, 6877)]