18531123

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{283}}^1$

素因数の和:395

約数の個数: 32

約数和(自身を含む): 28245504

約数和(自身を除く): 9714381

約数列:

[1, 3, 13, 23, 39, 69, 73, 219, 283, 299, 849, 897, 949, 1679, 2847, 3679, 5037, 6509, 11037, 19527, 20659, 21827, 61977, 65481, 84617, 253851, 268567, 475157, 805701, 1425471, 6177041, 18531123]

約数ペア:

[(1, 18531123), (3, 6177041), (13, 1425471), (23, 805701), (39, 475157), (69, 268567), (73, 253851), (219, 84617), (283, 65481), (299, 61977), (849, 21827), (897, 20659), (949, 19527), (1679, 11037), (2847, 6509), (3679, 5037)]