2019012021

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{563}}^1\times {\mathrm{601}}^1$

素因数の和:1203

約数の個数: 64

約数和(自身を含む): 3422442240

約数和(自身を除く): 1403430219

約数列:

[1, 3, 9, 13, 17, 27, 39, 51, 117, 153, 221, 351, 459, 563, 601, 663, 1689, 1803, 1989, 5067, 5409, 5967, 7319, 7813, 9571, 10217, 15201, 16227, 21957, 23439, 28713, 30651, 65871, 70317, 86139, 91953, 124423, 132821, 197613, 210951, 258417, 275859, 338363, 373269, 398463, 1015089, 1119807, 1195389, 3045267, 3359421, 3586167, 4398719, 5752171, 9135801, 13196157, 17256513, 39588471, 51769539, 74778223, 118765413, 155308617, 224334669, 673004007, 2019012021]

約数ペア:

[(1, 2019012021), (3, 673004007), (9, 224334669), (13, 155308617), (17, 118765413), (27, 74778223), (39, 51769539), (51, 39588471), (117, 17256513), (153, 13196157), (221, 9135801), (351, 5752171), (459, 4398719), (563, 3586167), (601, 3359421), (663, 3045267), (1689, 1195389), (1803, 1119807), (1989, 1015089), (5067, 398463), (5409, 373269), (5967, 338363), (7319, 275859), (7813, 258417), (9571, 210951), (10217, 197613), (15201, 132821), (16227, 124423), (21957, 91953), (23439, 86139), (28713, 70317), (30651, 65871)]