19028355

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{1051}}^1$

素因数の和:1147

約数の個数: 32

約数和(自身を含む): 32721408

約数和(自身を除く): 13693053

約数列:

[1, 3, 5, 15, 17, 51, 71, 85, 213, 255, 355, 1051, 1065, 1207, 3153, 3621, 5255, 6035, 15765, 17867, 18105, 53601, 74621, 89335, 223863, 268005, 373105, 1119315, 1268557, 3805671, 6342785, 19028355]

約数ペア:

[(1, 19028355), (3, 6342785), (5, 3805671), (15, 1268557), (17, 1119315), (51, 373105), (71, 268005), (85, 223863), (213, 89335), (255, 74621), (355, 53601), (1051, 18105), (1065, 17867), (1207, 15765), (3153, 6035), (3621, 5255)]