18830680

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{42797}}^1$

素因数の和:42819

約数の個数: 32

約数和(自身を含む): 46221840

約数和(自身を除く): 27391160

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 42797, 85594, 171188, 213985, 342376, 427970, 470767, 855940, 941534, 1711880, 1883068, 2353835, 3766136, 4707670, 9415340, 18830680]

約数ペア:

[(1, 18830680), (2, 9415340), (4, 4707670), (5, 3766136), (8, 2353835), (10, 1883068), (11, 1711880), (20, 941534), (22, 855940), (40, 470767), (44, 427970), (55, 342376), (88, 213985), (110, 171188), (220, 85594), (440, 42797)]