19955295

素因数分解:

$3^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{2789}}^1$

素因数の和:2856

約数の個数: 32

約数和(自身を含む): 36158400

約数和(自身を除く): 16203105

約数列:

[1, 3, 5, 9, 15, 27, 45, 53, 135, 159, 265, 477, 795, 1431, 2385, 2789, 7155, 8367, 13945, 25101, 41835, 75303, 125505, 147817, 376515, 443451, 739085, 1330353, 2217255, 3991059, 6651765, 19955295]

約数ペア:

[(1, 19955295), (3, 6651765), (5, 3991059), (9, 2217255), (15, 1330353), (27, 739085), (45, 443451), (53, 376515), (135, 147817), (159, 125505), (265, 75303), (477, 41835), (795, 25101), (1431, 13945), (2385, 8367), (2789, 7155)]