18888298

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{211}}^1\times {\mathrm{313}}^1$

素因数の和:550

約数の個数: 32

約数和(自身を含む): 33550272

約数和(自身を除く): 14661974

約数列:

[1, 2, 11, 13, 22, 26, 143, 211, 286, 313, 422, 626, 2321, 2743, 3443, 4069, 4642, 5486, 6886, 8138, 30173, 44759, 60346, 66043, 89518, 132086, 726473, 858559, 1452946, 1717118, 9444149, 18888298]

約数ペア:

[(1, 18888298), (2, 9444149), (11, 1717118), (13, 1452946), (22, 858559), (26, 726473), (143, 132086), (211, 89518), (286, 66043), (313, 60346), (422, 44759), (626, 30173), (2321, 8138), (2743, 6886), (3443, 5486), (4069, 4642)]