19055660

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73291}}^1$

素因数の和:73313

約数の個数: 24

約数和(自身を含む): 43095696

約数和(自身を除く): 24040036

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 73291, 146582, 293164, 366455, 732910, 952783, 1465820, 1905566, 3811132, 4763915, 9527830, 19055660]

約数ペア:

[(1, 19055660), (2, 9527830), (4, 4763915), (5, 3811132), (10, 1905566), (13, 1465820), (20, 952783), (26, 732910), (52, 366455), (65, 293164), (130, 146582), (260, 73291)]