19520811

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{599}}^1$

素因数の和:696

約数の個数: 32

約数和(自身を含む): 31104000

約数和(自身を除く): 11583189

約数列:

[1, 3, 9, 17, 27, 51, 71, 153, 213, 459, 599, 639, 1207, 1797, 1917, 3621, 5391, 10183, 10863, 16173, 30549, 32589, 42529, 91647, 127587, 274941, 382761, 722993, 1148283, 2168979, 6506937, 19520811]

約数ペア:

[(1, 19520811), (3, 6506937), (9, 2168979), (17, 1148283), (27, 722993), (51, 382761), (71, 274941), (153, 127587), (213, 91647), (459, 42529), (599, 32589), (639, 30549), (1207, 16173), (1797, 10863), (1917, 10183), (3621, 5391)]