18121576

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{4789}}^1$

素因数の和:4849

約数の個数: 32

約数和(自身を含む): 37936800

約数和(自身を除く): 19815224

約数列:

[1, 2, 4, 8, 11, 22, 43, 44, 86, 88, 172, 344, 473, 946, 1892, 3784, 4789, 9578, 19156, 38312, 52679, 105358, 205927, 210716, 411854, 421432, 823708, 1647416, 2265197, 4530394, 9060788, 18121576]

約数ペア:

[(1, 18121576), (2, 9060788), (4, 4530394), (8, 2265197), (11, 1647416), (22, 823708), (43, 421432), (44, 411854), (86, 210716), (88, 205927), (172, 105358), (344, 52679), (473, 38312), (946, 19156), (1892, 9578), (3784, 4789)]