18804519955

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{4001}}^1\times {\mathrm{72307}}^1$

素因数の和:76326

約数の個数: 16

約数和(自身を含む): 24307635744

約数和(自身を除く): 5503115789

約数列:

[1, 5, 13, 65, 4001, 20005, 52013, 72307, 260065, 361535, 939991, 4699955, 289300307, 1446501535, 3760903991, 18804519955]

約数ペア:

[(1, 18804519955), (5, 3760903991), (13, 1446501535), (65, 289300307), (4001, 4699955), (20005, 939991), (52013, 361535), (72307, 260065)]