19916275

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{1823}}^1$

素因数の和:1875

約数の個数: 24

約数和(自身を含む): 27141120

約数和(自身を除く): 7224845

約数列:

[1, 5, 19, 23, 25, 95, 115, 437, 475, 575, 1823, 2185, 9115, 10925, 34637, 41929, 45575, 173185, 209645, 796651, 865925, 1048225, 3983255, 19916275]

約数ペア:

[(1, 19916275), (5, 3983255), (19, 1048225), (23, 865925), (25, 796651), (95, 209645), (115, 173185), (437, 45575), (475, 41929), (575, 34637), (1823, 10925), (2185, 9115)]