19914918

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{144311}}^1$

素因数の和:144339

約数の個数: 16

約数和(自身を含む): 41561856

約数和(自身を除く): 21646938

約数列:

[1, 2, 3, 6, 23, 46, 69, 138, 144311, 288622, 432933, 865866, 3319153, 6638306, 9957459, 19914918]

約数ペア:

[(1, 19914918), (2, 9957459), (3, 6638306), (6, 3319153), (23, 865866), (46, 432933), (69, 288622), (138, 144311)]