2019438860

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{1905131}}^1$

素因数の和:1905193

約数の個数: 24

約数和(自身を含む): 4320839376

約数和(自身を除く): 2301400516

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 212, 265, 530, 1060, 1905131, 3810262, 7620524, 9525655, 19051310, 38102620, 100971943, 201943886, 403887772, 504859715, 1009719430, 2019438860]

約数ペア:

[(1, 2019438860), (2, 1009719430), (4, 504859715), (5, 403887772), (10, 201943886), (20, 100971943), (53, 38102620), (106, 19051310), (212, 9525655), (265, 7620524), (530, 3810262), (1060, 1905131)]