18285872

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{971}}^1$

素因数の和:1097

約数の個数: 40

約数和(自身を含む): 39051072

約数和(自身を除く): 20765200

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 107, 176, 214, 428, 856, 971, 1177, 1712, 1942, 2354, 3884, 4708, 7768, 9416, 10681, 15536, 18832, 21362, 42724, 85448, 103897, 170896, 207794, 415588, 831176, 1142867, 1662352, 2285734, 4571468, 9142936, 18285872]

約数ペア:

[(1, 18285872), (2, 9142936), (4, 4571468), (8, 2285734), (11, 1662352), (16, 1142867), (22, 831176), (44, 415588), (88, 207794), (107, 170896), (176, 103897), (214, 85448), (428, 42724), (856, 21362), (971, 18832), (1177, 15536), (1712, 10681), (1942, 9416), (2354, 7768), (3884, 4708)]