19212540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{320209}}^1$

素因数の和:320221

約数の個数: 24

約数和(自身を含む): 53795280

約数和(自身を除く): 34582740

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 320209, 640418, 960627, 1280836, 1601045, 1921254, 3202090, 3842508, 4803135, 6404180, 9606270, 19212540]

約数ペア:

[(1, 19212540), (2, 9606270), (3, 6404180), (4, 4803135), (5, 3842508), (6, 3202090), (10, 1921254), (12, 1601045), (15, 1280836), (20, 960627), (30, 640418), (60, 320209)]