15937168

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{193}}^1\times {\mathrm{397}}^1$

素因数の和:611

約数の個数: 40

約数和(自身を含む): 33510008

約数和(自身を除く): 17572840

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 193, 208, 386, 397, 772, 794, 1544, 1588, 2509, 3088, 3176, 5018, 5161, 6352, 10036, 10322, 20072, 20644, 40144, 41288, 76621, 82576, 153242, 306484, 612968, 996073, 1225936, 1992146, 3984292, 7968584, 15937168]

約数ペア:

[(1, 15937168), (2, 7968584), (4, 3984292), (8, 1992146), (13, 1225936), (16, 996073), (26, 612968), (52, 306484), (104, 153242), (193, 82576), (208, 76621), (386, 41288), (397, 40144), (772, 20644), (794, 20072), (1544, 10322), (1588, 10036), (2509, 6352), (3088, 5161), (3176, 5018)]