18988222

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{229}}^1\times {\mathrm{3769}}^1$

素因数の和:4011

約数の個数: 16

約数和(自身を含む): 31215600

約数和(自身を除く): 12227378

約数列:

[1, 2, 11, 22, 229, 458, 2519, 3769, 5038, 7538, 41459, 82918, 863101, 1726202, 9494111, 18988222]

約数ペア:

[(1, 18988222), (2, 9494111), (11, 1726202), (22, 863101), (229, 82918), (458, 41459), (2519, 7538), (3769, 5038)]