18705940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{85027}}^1$

素因数の和:85047

約数の個数: 24

約数和(自身を含む): 42854112

約数和(自身を除く): 24148172

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 85027, 170054, 340108, 425135, 850270, 935297, 1700540, 1870594, 3741188, 4676485, 9352970, 18705940]

約数ペア:

[(1, 18705940), (2, 9352970), (4, 4676485), (5, 3741188), (10, 1870594), (11, 1700540), (20, 935297), (22, 850270), (44, 425135), (55, 340108), (110, 170054), (220, 85027)]