18991170095

素因数分解:

$5^1\times {\mathrm{73}}^1\times {\mathrm{2011}}^1\times {\mathrm{25873}}^1$

素因数の和:27962

約数の個数: 16

約数和(自身を含む): 23113968672

約数和(自身を除く): 4122798577

約数列:

[1, 5, 73, 365, 2011, 10055, 25873, 129365, 146803, 734015, 1888729, 9443645, 52030603, 260153015, 3798234019, 18991170095]

約数ペア:

[(1, 18991170095), (5, 3798234019), (73, 260153015), (365, 52030603), (2011, 9443645), (10055, 1888729), (25873, 734015), (129365, 146803)]