19118796

素因数分解:

$2^2\times 3^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{1307}}^1$

素因数の和:1390

約数の個数: 48

約数和(自身を含む): 47464704

約数和(自身を除く): 28345908

約数列:

[1, 2, 3, 4, 6, 12, 23, 46, 53, 69, 92, 106, 138, 159, 212, 276, 318, 636, 1219, 1307, 2438, 2614, 3657, 3921, 4876, 5228, 7314, 7842, 14628, 15684, 30061, 60122, 69271, 90183, 120244, 138542, 180366, 207813, 277084, 360732, 415626, 831252, 1593233, 3186466, 4779699, 6372932, 9559398, 19118796]

約数ペア:

[(1, 19118796), (2, 9559398), (3, 6372932), (4, 4779699), (6, 3186466), (12, 1593233), (23, 831252), (46, 415626), (53, 360732), (69, 277084), (92, 207813), (106, 180366), (138, 138542), (159, 120244), (212, 90183), (276, 69271), (318, 60122), (636, 30061), (1219, 15684), (1307, 14628), (2438, 7842), (2614, 7314), (3657, 5228), (3921, 4876)]