19318928

素因数分解:

$2^4\times {\mathrm{263}}^1\times {\mathrm{4591}}^1$

素因数の和:4862

約数の個数: 20

約数和(自身を含む): 37580928

約数和(自身を除く): 18262000

約数列:

[1, 2, 4, 8, 16, 263, 526, 1052, 2104, 4208, 4591, 9182, 18364, 36728, 73456, 1207433, 2414866, 4829732, 9659464, 19318928]

約数ペア:

[(1, 19318928), (2, 9659464), (4, 4829732), (8, 2414866), (16, 1207433), (263, 73456), (526, 36728), (1052, 18364), (2104, 9182), (4208, 4591)]