18705512

素因数分解:

$2^3\times 7^1\times {\mathrm{41}}^1\times {\mathrm{8147}}^1$

素因数の和:8201

約数の個数: 32

約数和(自身を含む): 41065920

約数和(自身を除く): 22360408

約数列:

[1, 2, 4, 7, 8, 14, 28, 41, 56, 82, 164, 287, 328, 574, 1148, 2296, 8147, 16294, 32588, 57029, 65176, 114058, 228116, 334027, 456232, 668054, 1336108, 2338189, 2672216, 4676378, 9352756, 18705512]

約数ペア:

[(1, 18705512), (2, 9352756), (4, 4676378), (7, 2672216), (8, 2338189), (14, 1336108), (28, 668054), (41, 456232), (56, 334027), (82, 228116), (164, 114058), (287, 65176), (328, 57029), (574, 32588), (1148, 16294), (2296, 8147)]