19988888

素因数分解:

$2^3\times {\mathrm{29}}^2\times {\mathrm{2971}}^1$

素因数の和:3035

約数の個数: 24

約数和(自身を含む): 38829180

約数和(自身を除く): 18840292

約数列:

[1, 2, 4, 8, 29, 58, 116, 232, 841, 1682, 2971, 3364, 5942, 6728, 11884, 23768, 86159, 172318, 344636, 689272, 2498611, 4997222, 9994444, 19988888]

約数ペア:

[(1, 19988888), (2, 9994444), (4, 4997222), (8, 2498611), (29, 689272), (58, 344636), (116, 172318), (232, 86159), (841, 23768), (1682, 11884), (2971, 6728), (3364, 5942)]