18274280

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{5783}}^1$

素因数の和:5873

約数の個数: 32

約数和(自身を含む): 41644800

約数和(自身を除く): 23370520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 316, 395, 632, 790, 1580, 3160, 5783, 11566, 23132, 28915, 46264, 57830, 115660, 231320, 456857, 913714, 1827428, 2284285, 3654856, 4568570, 9137140, 18274280]

約数ペア:

[(1, 18274280), (2, 9137140), (4, 4568570), (5, 3654856), (8, 2284285), (10, 1827428), (20, 913714), (40, 456857), (79, 231320), (158, 115660), (316, 57830), (395, 46264), (632, 28915), (790, 23132), (1580, 11566), (3160, 5783)]