19107220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{86851}}^1$

素因数の和:86871

約数の個数: 24

約数和(自身を含む): 43773408

約数和(自身を除く): 24666188

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 86851, 173702, 347404, 434255, 868510, 955361, 1737020, 1910722, 3821444, 4776805, 9553610, 19107220]

約数ペア:

[(1, 19107220), (2, 9553610), (4, 4776805), (5, 3821444), (10, 1910722), (11, 1737020), (20, 955361), (22, 868510), (44, 434255), (55, 347404), (110, 173702), (220, 86851)]