19178918

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{1307}}^1$

素因数の和:1372

約数の個数: 32

約数和(自身を含む): 33903360

約数和(自身を除く): 14724442

約数列:

[1, 2, 11, 22, 23, 29, 46, 58, 253, 319, 506, 638, 667, 1307, 1334, 2614, 7337, 14377, 14674, 28754, 30061, 37903, 60122, 75806, 330671, 416933, 661342, 833866, 871769, 1743538, 9589459, 19178918]

約数ペア:

[(1, 19178918), (2, 9589459), (11, 1743538), (22, 871769), (23, 833866), (29, 661342), (46, 416933), (58, 330671), (253, 75806), (319, 60122), (506, 37903), (638, 30061), (667, 28754), (1307, 14674), (1334, 14377), (2614, 7337)]