19945024

素因数分解:

$2^6\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{691}}^1$

素因数の和:755

約数の個数: 56

約数和(自身を含む): 44293536

約数和(自身を除く): 24348512

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 41, 44, 64, 82, 88, 164, 176, 328, 352, 451, 656, 691, 704, 902, 1312, 1382, 1804, 2624, 2764, 3608, 5528, 7216, 7601, 11056, 14432, 15202, 22112, 28331, 28864, 30404, 44224, 56662, 60808, 113324, 121616, 226648, 243232, 311641, 453296, 486464, 623282, 906592, 1246564, 1813184, 2493128, 4986256, 9972512, 19945024]

約数ペア:

[(1, 19945024), (2, 9972512), (4, 4986256), (8, 2493128), (11, 1813184), (16, 1246564), (22, 906592), (32, 623282), (41, 486464), (44, 453296), (64, 311641), (82, 243232), (88, 226648), (164, 121616), (176, 113324), (328, 60808), (352, 56662), (451, 44224), (656, 30404), (691, 28864), (704, 28331), (902, 22112), (1312, 15202), (1382, 14432), (1804, 11056), (2624, 7601), (2764, 7216), (3608, 5528)]