19266646

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{72431}}^1$

素因数の和:72459

約数の個数: 16

約数和(自身を含む): 34767360

約数和(自身を除く): 15500714

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 72431, 144862, 507017, 1014034, 1376189, 2752378, 9633323, 19266646]

約数ペア:

[(1, 19266646), (2, 9633323), (7, 2752378), (14, 1376189), (19, 1014034), (38, 507017), (133, 144862), (266, 72431)]