19934912

素因数分解:

$2^6\times {\mathrm{67}}^1\times {\mathrm{4649}}^1$

素因数の和:4728

約数の個数: 28

約数和(自身を含む): 40157400

約数和(自身を除く): 20222488

約数列:

[1, 2, 4, 8, 16, 32, 64, 67, 134, 268, 536, 1072, 2144, 4288, 4649, 9298, 18596, 37192, 74384, 148768, 297536, 311483, 622966, 1245932, 2491864, 4983728, 9967456, 19934912]

約数ペア:

[(1, 19934912), (2, 9967456), (4, 4983728), (8, 2491864), (16, 1245932), (32, 622966), (64, 311483), (67, 297536), (134, 148768), (268, 74384), (536, 37192), (1072, 18596), (2144, 9298), (4288, 4649)]