19986194

素因数分解:

$2^1\times {\mathrm{53}}^1\times {\mathrm{409}}^1\times {\mathrm{461}}^1$

素因数の和:925

約数の個数: 16

約数和(自身を含む): 30686040

約数和(自身を除く): 10699846

約数列:

[1, 2, 53, 106, 409, 461, 818, 922, 21677, 24433, 43354, 48866, 188549, 377098, 9993097, 19986194]

約数ペア:

[(1, 19986194), (2, 9993097), (53, 377098), (106, 188549), (409, 48866), (461, 43354), (818, 24433), (922, 21677)]