19899844

素因数分解:

$2^2\times {\mathrm{149}}^1\times {\mathrm{173}}^1\times {\mathrm{193}}^1$

素因数の和:519

約数の個数: 24

約数和(自身を含む): 35443800

約数和(自身を除く): 15543956

約数列:

[1, 2, 4, 149, 173, 193, 298, 346, 386, 596, 692, 772, 25777, 28757, 33389, 51554, 57514, 66778, 103108, 115028, 133556, 4974961, 9949922, 19899844]

約数ペア:

[(1, 19899844), (2, 9949922), (4, 4974961), (149, 133556), (173, 115028), (193, 103108), (298, 66778), (346, 57514), (386, 51554), (596, 33389), (692, 28757), (772, 25777)]