18102040

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41141}}^1$

素因数の和:41163

約数の個数: 32

約数和(自身を含む): 44433360

約数和(自身を除く): 26331320

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 41141, 82282, 164564, 205705, 329128, 411410, 452551, 822820, 905102, 1645640, 1810204, 2262755, 3620408, 4525510, 9051020, 18102040]

約数ペア:

[(1, 18102040), (2, 9051020), (4, 4525510), (5, 3620408), (8, 2262755), (10, 1810204), (11, 1645640), (20, 905102), (22, 822820), (40, 452551), (44, 411410), (55, 329128), (88, 205705), (110, 164564), (220, 82282), (440, 41141)]