1818212

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{31}}^2\times {\mathrm{43}}^1$

素因数の和:120

約数の個数: 36

約数和(自身を含む): 3670128

約数和(自身を除く): 1851916

約数列:

[1, 2, 4, 11, 22, 31, 43, 44, 62, 86, 124, 172, 341, 473, 682, 946, 961, 1333, 1364, 1892, 1922, 2666, 3844, 5332, 10571, 14663, 21142, 29326, 41323, 42284, 58652, 82646, 165292, 454553, 909106, 1818212]

約数ペア:

[(1, 1818212), (2, 909106), (4, 454553), (11, 165292), (22, 82646), (31, 58652), (43, 42284), (44, 41323), (62, 29326), (86, 21142), (124, 14663), (172, 10571), (341, 5332), (473, 3844), (682, 2666), (946, 1922), (961, 1892), (1333, 1364)]