181940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{827}}^1$

素因数の和:847

約数の個数: 24

約数和(自身を含む): 417312

約数和(自身を除く): 235372

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 827, 1654, 3308, 4135, 8270, 9097, 16540, 18194, 36388, 45485, 90970, 181940]

約数ペア:

[(1, 181940), (2, 90970), (4, 45485), (5, 36388), (10, 18194), (11, 16540), (20, 9097), (22, 8270), (44, 4135), (55, 3308), (110, 1654), (220, 827)]