19521796

素因数分解:

$2^2\times 7^2\times {\mathrm{103}}^1\times {\mathrm{967}}^1$

素因数の和:1088

約数の個数: 36

約数和(自身を含む): 40168128

約数和(自身を除く): 20646332

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 103, 196, 206, 412, 721, 967, 1442, 1934, 2884, 3868, 5047, 6769, 10094, 13538, 20188, 27076, 47383, 94766, 99601, 189532, 199202, 398404, 697207, 1394414, 2788828, 4880449, 9760898, 19521796]

約数ペア:

[(1, 19521796), (2, 9760898), (4, 4880449), (7, 2788828), (14, 1394414), (28, 697207), (49, 398404), (98, 199202), (103, 189532), (196, 99601), (206, 94766), (412, 47383), (721, 27076), (967, 20188), (1442, 13538), (1934, 10094), (2884, 6769), (3868, 5047)]