18854878

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{971}}^1$

素因数の和:1072

約数の個数: 32

約数和(自身を含む): 34525440

約数和(自身を除く): 15670562

約数列:

[1, 2, 7, 14, 19, 38, 73, 133, 146, 266, 511, 971, 1022, 1387, 1942, 2774, 6797, 9709, 13594, 18449, 19418, 36898, 70883, 129143, 141766, 258286, 496181, 992362, 1346777, 2693554, 9427439, 18854878]

約数ペア:

[(1, 18854878), (2, 9427439), (7, 2693554), (14, 1346777), (19, 992362), (38, 496181), (73, 258286), (133, 141766), (146, 129143), (266, 70883), (511, 36898), (971, 19418), (1022, 18449), (1387, 13594), (1942, 9709), (2774, 6797)]