19805254

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{61507}}^1$

素因数の和:61539

約数の個数: 16

約数和(自身を含む): 35428608

約数和(自身を除く): 15623354

約数列:

[1, 2, 7, 14, 23, 46, 161, 322, 61507, 123014, 430549, 861098, 1414661, 2829322, 9902627, 19805254]

約数ペア:

[(1, 19805254), (2, 9902627), (7, 2829322), (14, 1414661), (23, 861098), (46, 430549), (161, 123014), (322, 61507)]