19371484

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{440261}}^1$

素因数の和:440276

約数の個数: 12

約数和(自身を含む): 36982008

約数和(自身を除く): 17610524

約数列:

[1, 2, 4, 11, 22, 44, 440261, 880522, 1761044, 4842871, 9685742, 19371484]

約数ペア:

[(1, 19371484), (2, 9685742), (4, 4842871), (11, 1761044), (22, 880522), (44, 440261)]