19521872

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{42073}}^1$

素因数の和:42110

約数の個数: 20

約数和(自身を含む): 39128820

約数和(自身を除く): 19606948

約数列:

[1, 2, 4, 8, 16, 29, 58, 116, 232, 464, 42073, 84146, 168292, 336584, 673168, 1220117, 2440234, 4880468, 9760936, 19521872]

約数ペア:

[(1, 19521872), (2, 9760936), (4, 4880468), (8, 2440234), (16, 1220117), (29, 673168), (58, 336584), (116, 168292), (232, 84146), (464, 42073)]