2019386860

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{1134487}}^1$

素因数の和:1134585

約数の個数: 24

約数和(自身を含む): 4288364640

約数和(自身を除く): 2268977780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1780, 1134487, 2268974, 4537948, 5672435, 11344870, 22689740, 100969343, 201938686, 403877372, 504846715, 1009693430, 2019386860]

約数ペア:

[(1, 2019386860), (2, 1009693430), (4, 504846715), (5, 403877372), (10, 201938686), (20, 100969343), (89, 22689740), (178, 11344870), (356, 5672435), (445, 4537948), (890, 2268974), (1780, 1134487)]