9901964

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{1153}}^1$

素因数の和:1289

約数の個数: 24

約数和(自身を含む): 18417840

約数和(自身を除く): 8515876

約数列:

[1, 2, 4, 19, 38, 76, 113, 226, 452, 1153, 2147, 2306, 4294, 4612, 8588, 21907, 43814, 87628, 130289, 260578, 521156, 2475491, 4950982, 9901964]

約数ペア:

[(1, 9901964), (2, 4950982), (4, 2475491), (19, 521156), (38, 260578), (76, 130289), (113, 87628), (226, 43814), (452, 21907), (1153, 8588), (2147, 4612), (2306, 4294)]