18836620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{85621}}^1$

素因数の和:85641

約数の個数: 24

約数和(自身を含む): 43153488

約数和(自身を除く): 24316868

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 85621, 171242, 342484, 428105, 856210, 941831, 1712420, 1883662, 3767324, 4709155, 9418310, 18836620]

約数ペア:

[(1, 18836620), (2, 9418310), (4, 4709155), (5, 3767324), (10, 1883662), (11, 1712420), (20, 941831), (22, 856210), (44, 428105), (55, 342484), (110, 171242), (220, 85621)]