1838473640

素因数分解:

$2^3\times 5^1\times {\mathrm{10453}}^1\times {\mathrm{4397}}^1$

素因数の和:14861

約数の個数: 32

約数和(自身を含む): 4137902280

約数和(自身を除く): 2299428640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 4397, 8794, 10453, 17588, 20906, 21985, 35176, 41812, 43970, 52265, 83624, 87940, 104530, 175880, 209060, 418120, 45961841, 91923682, 183847364, 229809205, 367694728, 459618410, 919236820, 1838473640]

約数ペア:

[(1, 1838473640), (2, 919236820), (4, 459618410), (5, 367694728), (8, 229809205), (10, 183847364), (20, 91923682), (40, 45961841), (4397, 418120), (8794, 209060), (10453, 175880), (17588, 104530), (20906, 87940), (21985, 83624), (35176, 52265), (41812, 43970)]