19962878

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{8627}}^1$

素因数の和:8731

約数の個数: 16

約数和(自身を含む): 32613840

約数和(自身を除く): 12650962

約数列:

[1, 2, 13, 26, 89, 178, 1157, 2314, 8627, 17254, 112151, 224302, 767803, 1535606, 9981439, 19962878]

約数ペア:

[(1, 19962878), (2, 9981439), (13, 1535606), (26, 767803), (89, 224302), (178, 112151), (1157, 17254), (2314, 8627)]