18680341572

素因数分解:

$2^2\times 3^2\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{480017}}^1$

素因数の和:480097

約数の個数: 72

約数和(自身を含む): 50321246976

約数和(自身を除く): 31640905404

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 36, 46, 47, 69, 92, 94, 138, 141, 188, 207, 276, 282, 414, 423, 564, 828, 846, 1081, 1692, 2162, 3243, 4324, 6486, 9729, 12972, 19458, 38916, 480017, 960034, 1440051, 1920068, 2880102, 4320153, 5760204, 8640306, 11040391, 17280612, 22080782, 22560799, 33121173, 44161564, 45121598, 66242346, 67682397, 90243196, 99363519, 132484692, 135364794, 198727038, 203047191, 270729588, 397454076, 406094382, 518898377, 812188764, 1037796754, 1556695131, 2075593508, 3113390262, 4670085393, 6226780524, 9340170786, 18680341572]

約数ペア:

[(1, 18680341572), (2, 9340170786), (3, 6226780524), (4, 4670085393), (6, 3113390262), (9, 2075593508), (12, 1556695131), (18, 1037796754), (23, 812188764), (36, 518898377), (46, 406094382), (47, 397454076), (69, 270729588), (92, 203047191), (94, 198727038), (138, 135364794), (141, 132484692), (188, 99363519), (207, 90243196), (276, 67682397), (282, 66242346), (414, 45121598), (423, 44161564), (564, 33121173), (828, 22560799), (846, 22080782), (1081, 17280612), (1692, 11040391), (2162, 8640306), (3243, 5760204), (4324, 4320153), (6486, 2880102), (9729, 1920068), (12972, 1440051), (19458, 960034), (38916, 480017)]