19860992

素因数分解:

$2^9\times {\mathrm{38791}}^1$

素因数の和:38809

約数の個数: 20

約数和(自身を含む): 39684216

約数和(自身を除く): 19823224

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 38791, 77582, 155164, 310328, 620656, 1241312, 2482624, 4965248, 9930496, 19860992]

約数ペア:

[(1, 19860992), (2, 9930496), (4, 4965248), (8, 2482624), (16, 1241312), (32, 620656), (64, 310328), (128, 155164), (256, 77582), (512, 38791)]