18739528

素因数分解:

$2^3\times {\mathrm{53}}^1\times {\mathrm{193}}^1\times {\mathrm{229}}^1$

素因数の和:481

約数の個数: 32

約数和(自身を含む): 36142200

約数和(自身を除く): 17402672

約数列:

[1, 2, 4, 8, 53, 106, 193, 212, 229, 386, 424, 458, 772, 916, 1544, 1832, 10229, 12137, 20458, 24274, 40916, 44197, 48548, 81832, 88394, 97096, 176788, 353576, 2342441, 4684882, 9369764, 18739528]

約数ペア:

[(1, 18739528), (2, 9369764), (4, 4684882), (8, 2342441), (53, 353576), (106, 176788), (193, 97096), (212, 88394), (229, 81832), (386, 48548), (424, 44197), (458, 40916), (772, 24274), (916, 20458), (1544, 12137), (1832, 10229)]