19912314620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{90510521}}^1$

素因数の和:90510541

約数の個数: 24

約数和(自身を含む): 45617303088

約数和(自身を除く): 25704988468

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 90510521, 181021042, 362042084, 452552605, 905105210, 995615731, 1810210420, 1991231462, 3982462924, 4978078655, 9956157310, 19912314620]

約数ペア:

[(1, 19912314620), (2, 9956157310), (4, 4978078655), (5, 3982462924), (10, 1991231462), (11, 1810210420), (20, 995615731), (22, 905105210), (44, 452552605), (55, 362042084), (110, 181021042), (220, 90510521)]