201654019664

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{663335591}}^1$

素因数の和:663335618

約数の個数: 20

約数和(自身を含む): 411268067040

約数和(自身を除く): 209614047376

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 663335591, 1326671182, 2653342364, 5306684728, 10613369456, 12603376229, 25206752458, 50413504916, 100827009832, 201654019664]

約数ペア:

[(1, 201654019664), (2, 100827009832), (4, 50413504916), (8, 25206752458), (16, 12603376229), (19, 10613369456), (38, 5306684728), (76, 2653342364), (152, 1326671182), (304, 663335591)]