19308388

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{438827}}^1$

素因数の和:438842

約数の個数: 12

約数和(自身を含む): 36861552

約数和(自身を除く): 17553164

約数列:

[1, 2, 4, 11, 22, 44, 438827, 877654, 1755308, 4827097, 9654194, 19308388]

約数ペア:

[(1, 19308388), (2, 9654194), (4, 4827097), (11, 1755308), (22, 877654), (44, 438827)]