18342280

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41687}}^1$

素因数の和:41709

約数の個数: 32

約数和(自身を含む): 45023040

約数和(自身を除く): 26680760

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 41687, 83374, 166748, 208435, 333496, 416870, 458557, 833740, 917114, 1667480, 1834228, 2292785, 3668456, 4585570, 9171140, 18342280]

約数ペア:

[(1, 18342280), (2, 9171140), (4, 4585570), (5, 3668456), (8, 2292785), (10, 1834228), (11, 1667480), (20, 917114), (22, 833740), (40, 458557), (44, 416870), (55, 333496), (88, 208435), (110, 166748), (220, 83374), (440, 41687)]