18267920

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{20759}}^1$

素因数の和:20783

約数の個数: 40

約数和(自身を含む): 46336320

約数和(自身を除く): 28068400

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 20759, 41518, 83036, 103795, 166072, 207590, 228349, 332144, 415180, 456698, 830360, 913396, 1141745, 1660720, 1826792, 2283490, 3653584, 4566980, 9133960, 18267920]

約数ペア:

[(1, 18267920), (2, 9133960), (4, 4566980), (5, 3653584), (8, 2283490), (10, 1826792), (11, 1660720), (16, 1141745), (20, 913396), (22, 830360), (40, 456698), (44, 415180), (55, 332144), (80, 228349), (88, 207590), (110, 166072), (176, 103795), (220, 83036), (440, 41518), (880, 20759)]