18814785

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{1129}}^1$

素因数の和:1249

約数の個数: 32

約数和(自身を含む): 33194880

約数和(自身を除く): 14380095

約数列:

[1, 3, 5, 11, 15, 33, 55, 101, 165, 303, 505, 1111, 1129, 1515, 3333, 3387, 5555, 5645, 12419, 16665, 16935, 37257, 62095, 114029, 186285, 342087, 570145, 1254319, 1710435, 3762957, 6271595, 18814785]

約数ペア:

[(1, 18814785), (3, 6271595), (5, 3762957), (11, 1710435), (15, 1254319), (33, 570145), (55, 342087), (101, 186285), (165, 114029), (303, 62095), (505, 37257), (1111, 16935), (1129, 16665), (1515, 12419), (3333, 5645), (3387, 5555)]