19178128

素因数分解:

$2^4\times {\mathrm{271}}^1\times {\mathrm{4423}}^1$

素因数の和:4702

約数の個数: 20

約数和(自身を含む): 37303168

約数和(自身を除く): 18125040

約数列:

[1, 2, 4, 8, 16, 271, 542, 1084, 2168, 4336, 4423, 8846, 17692, 35384, 70768, 1198633, 2397266, 4794532, 9589064, 19178128]

約数ペア:

[(1, 19178128), (2, 9589064), (4, 4794532), (8, 2397266), (16, 1198633), (271, 70768), (542, 35384), (1084, 17692), (2168, 8846), (4336, 4423)]