19722128

素因数分解:

$2^4\times {\mathrm{83}}^1\times {\mathrm{14851}}^1$

素因数の和:14942

約数の個数: 20

約数和(自身を含む): 38674608

約数和(自身を除く): 18952480

約数列:

[1, 2, 4, 8, 16, 83, 166, 332, 664, 1328, 14851, 29702, 59404, 118808, 237616, 1232633, 2465266, 4930532, 9861064, 19722128]

約数ペア:

[(1, 19722128), (2, 9861064), (4, 4930532), (8, 2465266), (16, 1232633), (83, 237616), (166, 118808), (332, 59404), (664, 29702), (1328, 14851)]