19564540

素因数分解:

$2^2\times 5^1\times {\mathrm{239}}^1\times {\mathrm{4093}}^1$

素因数の和:4341

約数の個数: 24

約数和(自身を含む): 41267520

約数和(自身を除く): 21702980

約数列:

[1, 2, 4, 5, 10, 20, 239, 478, 956, 1195, 2390, 4093, 4780, 8186, 16372, 20465, 40930, 81860, 978227, 1956454, 3912908, 4891135, 9782270, 19564540]

約数ペア:

[(1, 19564540), (2, 9782270), (4, 4891135), (5, 3912908), (10, 1956454), (20, 978227), (239, 81860), (478, 40930), (956, 20465), (1195, 16372), (2390, 8186), (4093, 4780)]