201820508

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{397}}^1\times {\mathrm{6689}}^1$

素因数の和:7109

約数の個数: 24

約数和(自身を含む): 372766800

約数和(自身を除く): 170946292

約数列:

[1, 2, 4, 19, 38, 76, 397, 794, 1588, 6689, 7543, 13378, 15086, 26756, 30172, 127091, 254182, 508364, 2655533, 5311066, 10622132, 50455127, 100910254, 201820508]

約数ペア:

[(1, 201820508), (2, 100910254), (4, 50455127), (19, 10622132), (38, 5311066), (76, 2655533), (397, 508364), (794, 254182), (1588, 127091), (6689, 30172), (7543, 26756), (13378, 15086)]