18312998

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{193}}^1\times {\mathrm{227}}^1$

素因数の和:452

約数の個数: 32

約数和(自身を含む): 31847040

約数和(自身を除く): 13534042

約数列:

[1, 2, 11, 19, 22, 38, 193, 209, 227, 386, 418, 454, 2123, 2497, 3667, 4246, 4313, 4994, 7334, 8626, 40337, 43811, 47443, 80674, 87622, 94886, 481921, 832409, 963842, 1664818, 9156499, 18312998]

約数ペア:

[(1, 18312998), (2, 9156499), (11, 1664818), (19, 963842), (22, 832409), (38, 481921), (193, 94886), (209, 87622), (227, 80674), (386, 47443), (418, 43811), (454, 40337), (2123, 8626), (2497, 7334), (3667, 4994), (4246, 4313)]