18545919

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{877}}^1$

素因数の和:959

約数の個数: 32

約数和(自身を含む): 30343680

約数和(自身を除く): 11797761

約数列:

[1, 3, 7, 19, 21, 53, 57, 133, 159, 371, 399, 877, 1007, 1113, 2631, 3021, 6139, 7049, 16663, 18417, 21147, 46481, 49989, 116641, 139443, 325367, 349923, 883139, 976101, 2649417, 6181973, 18545919]

約数ペア:

[(1, 18545919), (3, 6181973), (7, 2649417), (19, 976101), (21, 883139), (53, 349923), (57, 325367), (133, 139443), (159, 116641), (371, 49989), (399, 46481), (877, 21147), (1007, 18417), (1113, 16663), (2631, 7049), (3021, 6139)]