19499216

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{4817}}^1$

素因数の和:4859

約数の個数: 40

約数和(自身を含む): 43015104

約数和(自身を除く): 23515888

約数列:

[1, 2, 4, 8, 11, 16, 22, 23, 44, 46, 88, 92, 176, 184, 253, 368, 506, 1012, 2024, 4048, 4817, 9634, 19268, 38536, 52987, 77072, 105974, 110791, 211948, 221582, 423896, 443164, 847792, 886328, 1218701, 1772656, 2437402, 4874804, 9749608, 19499216]

約数ペア:

[(1, 19499216), (2, 9749608), (4, 4874804), (8, 2437402), (11, 1772656), (16, 1218701), (22, 886328), (23, 847792), (44, 443164), (46, 423896), (88, 221582), (92, 211948), (176, 110791), (184, 105974), (253, 77072), (368, 52987), (506, 38536), (1012, 19268), (2024, 9634), (4048, 4817)]