18868278

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{21991}}^1$

素因数の和:22020

約数の個数: 32

約数和(自身を含む): 44335872

約数和(自身を除く): 25467594

約数列:

[1, 2, 3, 6, 11, 13, 22, 26, 33, 39, 66, 78, 143, 286, 429, 858, 21991, 43982, 65973, 131946, 241901, 285883, 483802, 571766, 725703, 857649, 1451406, 1715298, 3144713, 6289426, 9434139, 18868278]

約数ペア:

[(1, 18868278), (2, 9434139), (3, 6289426), (6, 3144713), (11, 1715298), (13, 1451406), (22, 857649), (26, 725703), (33, 571766), (39, 483802), (66, 285883), (78, 241901), (143, 131946), (286, 65973), (429, 43982), (858, 21991)]