18988431

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{11743}}^1$

素因数の和:11771

約数の個数: 24

約数和(自身を含む): 32131584

約数和(自身を除く): 13143153

約数列:

[1, 3, 7, 11, 21, 33, 49, 77, 147, 231, 539, 1617, 11743, 35229, 82201, 129173, 246603, 387519, 575407, 904211, 1726221, 2712633, 6329477, 18988431]

約数ペア:

[(1, 18988431), (3, 6329477), (7, 2712633), (11, 1726221), (21, 904211), (33, 575407), (49, 387519), (77, 246603), (147, 129173), (231, 82201), (539, 35229), (1617, 11743)]