19886008

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{130829}}^1$

素因数の和:130854

約数の個数: 16

約数和(自身を含む): 39249000

約数和(自身を除く): 19362992

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 130829, 261658, 523316, 1046632, 2485751, 4971502, 9943004, 19886008]

約数ペア:

[(1, 19886008), (2, 9943004), (4, 4971502), (8, 2485751), (19, 1046632), (38, 523316), (76, 261658), (152, 130829)]