19722735

素因数分解:

$3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{6173}}^1$

素因数の和:6255

約数の個数: 24

約数和(自身を含む): 34673184

約数和(自身を除く): 14950449

約数列:

[1, 3, 5, 9, 15, 45, 71, 213, 355, 639, 1065, 3195, 6173, 18519, 30865, 55557, 92595, 277785, 438283, 1314849, 2191415, 3944547, 6574245, 19722735]

約数ペア:

[(1, 19722735), (3, 6574245), (5, 3944547), (9, 2191415), (15, 1314849), (45, 438283), (71, 277785), (213, 92595), (355, 55557), (639, 30865), (1065, 18519), (3195, 6173)]