19802986

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{443}}^1$

素因数の和:586

約数の個数: 32

約数和(自身を含む): 35463168

約数和(自身を除く): 15660182

約数列:

[1, 2, 7, 14, 31, 62, 103, 206, 217, 434, 443, 721, 886, 1442, 3101, 3193, 6202, 6386, 13733, 22351, 27466, 44702, 45629, 91258, 96131, 192262, 319403, 638806, 1414499, 2828998, 9901493, 19802986]

約数ペア:

[(1, 19802986), (2, 9901493), (7, 2828998), (14, 1414499), (31, 638806), (62, 319403), (103, 192262), (206, 96131), (217, 91258), (434, 45629), (443, 44702), (721, 27466), (886, 22351), (1442, 13733), (3101, 6386), (3193, 6202)]