19311125

素因数分解:

$5^3\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{173}}^1$

素因数の和:254

約数の個数: 32

約数和(自身を含む): 26058240

約数和(自身を除く): 6747115

約数列:

[1, 5, 19, 25, 47, 95, 125, 173, 235, 475, 865, 893, 1175, 2375, 3287, 4325, 4465, 5875, 8131, 16435, 21625, 22325, 40655, 82175, 111625, 154489, 203275, 410875, 772445, 1016375, 3862225, 19311125]

約数ペア:

[(1, 19311125), (5, 3862225), (19, 1016375), (25, 772445), (47, 410875), (95, 203275), (125, 154489), (173, 111625), (235, 82175), (475, 40655), (865, 22325), (893, 21625), (1175, 16435), (2375, 8131), (3287, 5875), (4325, 4465)]