19861432

素因数分解:

$2^3\times {\mathrm{53}}^1\times {\mathrm{139}}^1\times {\mathrm{337}}^1$

素因数の和:535

約数の個数: 32

約数和(自身を含む): 38329200

約数和(自身を除く): 18467768

約数列:

[1, 2, 4, 8, 53, 106, 139, 212, 278, 337, 424, 556, 674, 1112, 1348, 2696, 7367, 14734, 17861, 29468, 35722, 46843, 58936, 71444, 93686, 142888, 187372, 374744, 2482679, 4965358, 9930716, 19861432]

約数ペア:

[(1, 19861432), (2, 9930716), (4, 4965358), (8, 2482679), (53, 374744), (106, 187372), (139, 142888), (212, 93686), (278, 71444), (337, 58936), (424, 46843), (556, 35722), (674, 29468), (1112, 17861), (1348, 14734), (2696, 7367)]