18556468

素因数分解:

$2^2\times 7^1\times {\mathrm{79}}^1\times {\mathrm{8389}}^1$

素因数の和:8479

約数の個数: 24

約数和(自身を含む): 37587200

約数和(自身を除く): 19030732

約数列:

[1, 2, 4, 7, 14, 28, 79, 158, 316, 553, 1106, 2212, 8389, 16778, 33556, 58723, 117446, 234892, 662731, 1325462, 2650924, 4639117, 9278234, 18556468]

約数ペア:

[(1, 18556468), (2, 9278234), (4, 4639117), (7, 2650924), (14, 1325462), (28, 662731), (79, 234892), (158, 117446), (316, 58723), (553, 33556), (1106, 16778), (2212, 8389)]