19884202

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{89}}^1\times {\mathrm{661}}^1$

素因数の和:778

約数の個数: 24

約数和(自身を含む): 32709420

約数和(自身を除く): 12825218

約数列:

[1, 2, 13, 26, 89, 169, 178, 338, 661, 1157, 1322, 2314, 8593, 15041, 17186, 30082, 58829, 111709, 117658, 223418, 764777, 1529554, 9942101, 19884202]

約数ペア:

[(1, 19884202), (2, 9942101), (13, 1529554), (26, 764777), (89, 223418), (169, 117658), (178, 111709), (338, 58829), (661, 30082), (1157, 17186), (1322, 15041), (2314, 8593)]