18684891

素因数分解:

$3^3\times {\mathrm{151}}^1\times {\mathrm{4583}}^1$

素因数の和:4743

約数の個数: 16

約数和(自身を含む): 27870720

約数和(自身を除く): 9185829

約数列:

[1, 3, 9, 27, 151, 453, 1359, 4077, 4583, 13749, 41247, 123741, 692033, 2076099, 6228297, 18684891]

約数ペア:

[(1, 18684891), (3, 6228297), (9, 2076099), (27, 692033), (151, 123741), (453, 41247), (1359, 13749), (4077, 4583)]