18412538

素因数分解:

$2^1\times {\mathrm{67}}^1\times {\mathrm{313}}^1\times {\mathrm{439}}^1$

素因数の和:821

約数の個数: 16

約数和(自身を含む): 28184640

約数和(自身を除く): 9772102

約数列:

[1, 2, 67, 134, 313, 439, 626, 878, 20971, 29413, 41942, 58826, 137407, 274814, 9206269, 18412538]

約数ペア:

[(1, 18412538), (2, 9206269), (67, 274814), (134, 137407), (313, 58826), (439, 41942), (626, 29413), (878, 20971)]