18187664

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{4493}}^1$

素因数の和:4535

約数の個数: 40

約数和(自身を含む): 40122432

約数和(自身を除く): 21934768

約数列:

[1, 2, 4, 8, 11, 16, 22, 23, 44, 46, 88, 92, 176, 184, 253, 368, 506, 1012, 2024, 4048, 4493, 8986, 17972, 35944, 49423, 71888, 98846, 103339, 197692, 206678, 395384, 413356, 790768, 826712, 1136729, 1653424, 2273458, 4546916, 9093832, 18187664]

約数ペア:

[(1, 18187664), (2, 9093832), (4, 4546916), (8, 2273458), (11, 1653424), (16, 1136729), (22, 826712), (23, 790768), (44, 413356), (46, 395384), (88, 206678), (92, 197692), (176, 103339), (184, 98846), (253, 71888), (368, 49423), (506, 35944), (1012, 17972), (2024, 8986), (4048, 4493)]