18618325

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{857}}^1$

素因数の和:957

約数の個数: 24

約数和(自身を含む): 25534080

約数和(自身を除く): 6915755

約数列:

[1, 5, 11, 25, 55, 79, 275, 395, 857, 869, 1975, 4285, 4345, 9427, 21425, 21725, 47135, 67703, 235675, 338515, 744733, 1692575, 3723665, 18618325]

約数ペア:

[(1, 18618325), (5, 3723665), (11, 1692575), (25, 744733), (55, 338515), (79, 235675), (275, 67703), (395, 47135), (857, 21725), (869, 21425), (1975, 9427), (4285, 4345)]