18084880

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{20551}}^1$

素因数の和:20575

約数の個数: 40

約数和(自身を含む): 45872064

約数和(自身を除く): 27787184

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 20551, 41102, 82204, 102755, 164408, 205510, 226061, 328816, 411020, 452122, 822040, 904244, 1130305, 1644080, 1808488, 2260610, 3616976, 4521220, 9042440, 18084880]

約数ペア:

[(1, 18084880), (2, 9042440), (4, 4521220), (5, 3616976), (8, 2260610), (10, 1808488), (11, 1644080), (16, 1130305), (20, 904244), (22, 822040), (40, 452122), (44, 411020), (55, 328816), (80, 226061), (88, 205510), (110, 164408), (176, 102755), (220, 82204), (440, 41102), (880, 20551)]