19898732

素因数分解:

$2^2\times 7^1\times {\mathrm{67}}^1\times {\mathrm{10607}}^1$

素因数の和:10685

約数の個数: 24

約数和(自身を含む): 40395264

約数和(自身を除く): 20496532

約数列:

[1, 2, 4, 7, 14, 28, 67, 134, 268, 469, 938, 1876, 10607, 21214, 42428, 74249, 148498, 296996, 710669, 1421338, 2842676, 4974683, 9949366, 19898732]

約数ペア:

[(1, 19898732), (2, 9949366), (4, 4974683), (7, 2842676), (14, 1421338), (28, 710669), (67, 296996), (134, 148498), (268, 74249), (469, 42428), (938, 21214), (1876, 10607)]