19306375

素因数分解:

$5^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{739}}^1$

素因数の和:784

約数の個数: 32

約数和(自身を含む): 27705600

約数和(自身を除く): 8399225

約数列:

[1, 5, 11, 19, 25, 55, 95, 125, 209, 275, 475, 739, 1045, 1375, 2375, 3695, 5225, 8129, 14041, 18475, 26125, 40645, 70205, 92375, 154451, 203225, 351025, 772255, 1016125, 1755125, 3861275, 19306375]

約数ペア:

[(1, 19306375), (5, 3861275), (11, 1755125), (19, 1016125), (25, 772255), (55, 351025), (95, 203225), (125, 154451), (209, 92375), (275, 70205), (475, 40645), (739, 26125), (1045, 18475), (1375, 14041), (2375, 8129), (3695, 5225)]