18874636

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{9127}}^1$

素因数の和:9189

約数の個数: 24

約数和(自身を含む): 36804096

約数和(自身を除く): 17929460

約数列:

[1, 2, 4, 11, 22, 44, 47, 94, 188, 517, 1034, 2068, 9127, 18254, 36508, 100397, 200794, 401588, 428969, 857938, 1715876, 4718659, 9437318, 18874636]

約数ペア:

[(1, 18874636), (2, 9437318), (4, 4718659), (11, 1715876), (22, 857938), (44, 428969), (47, 401588), (94, 200794), (188, 100397), (517, 36508), (1034, 18254), (2068, 9127)]