18229816

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{10903}}^1$

素因数の和:10939

約数の個数: 32

約数和(自身を含む): 39254400

約数和(自身を除く): 21024584

約数列:

[1, 2, 4, 8, 11, 19, 22, 38, 44, 76, 88, 152, 209, 418, 836, 1672, 10903, 21806, 43612, 87224, 119933, 207157, 239866, 414314, 479732, 828628, 959464, 1657256, 2278727, 4557454, 9114908, 18229816]

約数ペア:

[(1, 18229816), (2, 9114908), (4, 4557454), (8, 2278727), (11, 1657256), (19, 959464), (22, 828628), (38, 479732), (44, 414314), (76, 239866), (88, 207157), (152, 119933), (209, 87224), (418, 43612), (836, 21806), (1672, 10903)]