18286970

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{863}}^1$

素因数の和:1046

約数の個数: 32

約数和(自身を含む): 35707392

約数和(自身を除く): 17420422

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 163, 326, 815, 863, 1630, 1726, 2119, 4238, 4315, 8630, 10595, 11219, 21190, 22438, 56095, 112190, 140669, 281338, 703345, 1406690, 1828697, 3657394, 9143485, 18286970]

約数ペア:

[(1, 18286970), (2, 9143485), (5, 3657394), (10, 1828697), (13, 1406690), (26, 703345), (65, 281338), (130, 140669), (163, 112190), (326, 56095), (815, 22438), (863, 21190), (1630, 11219), (1726, 10595), (2119, 8630), (4238, 4315)]