19847056

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{17471}}^1$

素因数の和:17550

約数の個数: 20

約数和(自身を含む): 38997504

約数和(自身を除く): 19150448

約数列:

[1, 2, 4, 8, 16, 71, 142, 284, 568, 1136, 17471, 34942, 69884, 139768, 279536, 1240441, 2480882, 4961764, 9923528, 19847056]

約数ペア:

[(1, 19847056), (2, 9923528), (4, 4961764), (8, 2480882), (16, 1240441), (71, 279536), (142, 139768), (284, 69884), (568, 34942), (1136, 17471)]