209938388

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{18859}}^1$

素因数の和:18908

約数の個数: 36

約数和(自身を含む): 421407840

約数和(自身を除く): 211469452

約数列:

[1, 2, 4, 11, 22, 23, 44, 46, 92, 121, 242, 253, 484, 506, 1012, 2783, 5566, 11132, 18859, 37718, 75436, 207449, 414898, 433757, 829796, 867514, 1735028, 2281939, 4563878, 4771327, 9127756, 9542654, 19085308, 52484597, 104969194, 209938388]

約数ペア:

[(1, 209938388), (2, 104969194), (4, 52484597), (11, 19085308), (22, 9542654), (23, 9127756), (44, 4771327), (46, 4563878), (92, 2281939), (121, 1735028), (242, 867514), (253, 829796), (484, 433757), (506, 414898), (1012, 207449), (2783, 75436), (5566, 37718), (11132, 18859)]