19518366

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{197}}^1\times {\mathrm{337}}^1$

素因数の和:553

約数の個数: 48

約数和(自身を含む): 45776016

約数和(自身を除く): 26257650

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 98, 147, 197, 294, 337, 394, 591, 674, 1011, 1182, 1379, 2022, 2359, 2758, 4137, 4718, 7077, 8274, 9653, 14154, 16513, 19306, 28959, 33026, 49539, 57918, 66389, 99078, 132778, 199167, 398334, 464723, 929446, 1394169, 2788338, 3253061, 6506122, 9759183, 19518366]

約数ペア:

[(1, 19518366), (2, 9759183), (3, 6506122), (6, 3253061), (7, 2788338), (14, 1394169), (21, 929446), (42, 464723), (49, 398334), (98, 199167), (147, 132778), (197, 99078), (294, 66389), (337, 57918), (394, 49539), (591, 33026), (674, 28959), (1011, 19306), (1182, 16513), (1379, 14154), (2022, 9653), (2359, 8274), (2758, 7077), (4137, 4718)]