19205642

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{211}}^1\times {\mathrm{641}}^1$

素因数の和:925

約数の個数: 16

約数和(自身を含む): 29398464

約数和(自身を除く): 10192822

約数列:

[1, 2, 71, 142, 211, 422, 641, 1282, 14981, 29962, 45511, 91022, 135251, 270502, 9602821, 19205642]

約数ペア:

[(1, 19205642), (2, 9602821), (71, 270502), (142, 135251), (211, 91022), (422, 45511), (641, 29962), (1282, 14981)]