18925615

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{2729}}^1$

素因数の和:2826

約数の個数: 16

約数和(自身を含む): 24242400

約数和(自身を除く): 5316785

約数列:

[1, 5, 19, 73, 95, 365, 1387, 2729, 6935, 13645, 51851, 199217, 259255, 996085, 3785123, 18925615]

約数ペア:

[(1, 18925615), (5, 3785123), (19, 996085), (73, 259255), (95, 199217), (365, 51851), (1387, 13645), (2729, 6935)]