18785756

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{977}}^1$

素因数の和:1034

約数の個数: 48

約数和(自身を含む): 39432960

約数和(自身を除く): 20647204

約数列:

[1, 2, 4, 11, 19, 22, 23, 38, 44, 46, 76, 92, 209, 253, 418, 437, 506, 836, 874, 977, 1012, 1748, 1954, 3908, 4807, 9614, 10747, 18563, 19228, 21494, 22471, 37126, 42988, 44942, 74252, 89884, 204193, 247181, 408386, 426949, 494362, 816772, 853898, 988724, 1707796, 4696439, 9392878, 18785756]

約数ペア:

[(1, 18785756), (2, 9392878), (4, 4696439), (11, 1707796), (19, 988724), (22, 853898), (23, 816772), (38, 494362), (44, 426949), (46, 408386), (76, 247181), (92, 204193), (209, 89884), (253, 74252), (418, 44942), (437, 42988), (506, 37126), (836, 22471), (874, 21494), (977, 19228), (1012, 18563), (1748, 10747), (1954, 9614), (3908, 4807)]