19689008

素因数分解:

$2^4\times {\mathrm{59}}^1\times {\mathrm{20857}}^1$

素因数の和:20924

約数の個数: 20

約数和(自身を含む): 38795880

約数和(自身を除く): 19106872

約数列:

[1, 2, 4, 8, 16, 59, 118, 236, 472, 944, 20857, 41714, 83428, 166856, 333712, 1230563, 2461126, 4922252, 9844504, 19689008]

約数ペア:

[(1, 19689008), (2, 9844504), (4, 4922252), (8, 2461126), (16, 1230563), (59, 333712), (118, 166856), (236, 83428), (472, 41714), (944, 20857)]