18648872

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{2903}}^1$

素因数の和:2993

約数の個数: 32

約数和(自身を含む): 38681280

約数和(自身を除く): 20032408

約数列:

[1, 2, 4, 8, 11, 22, 44, 73, 88, 146, 292, 584, 803, 1606, 2903, 3212, 5806, 6424, 11612, 23224, 31933, 63866, 127732, 211919, 255464, 423838, 847676, 1695352, 2331109, 4662218, 9324436, 18648872]

約数ペア:

[(1, 18648872), (2, 9324436), (4, 4662218), (8, 2331109), (11, 1695352), (22, 847676), (44, 423838), (73, 255464), (88, 211919), (146, 127732), (292, 63866), (584, 31933), (803, 23224), (1606, 11612), (2903, 6424), (3212, 5806)]