19305215

素因数分解:

$5^1\times {\mathrm{73}}^1\times {\mathrm{227}}^1\times {\mathrm{233}}^1$

素因数の和:538

約数の個数: 16

約数和(自身を含む): 23688288

約数和(自身を除く): 4383073

約数列:

[1, 5, 73, 227, 233, 365, 1135, 1165, 16571, 17009, 52891, 82855, 85045, 264455, 3861043, 19305215]

約数ペア:

[(1, 19305215), (5, 3861043), (73, 264455), (227, 85045), (233, 82855), (365, 52891), (1135, 17009), (1165, 16571)]