19089902

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{56479}}^1$

素因数の和:56507

約数の個数: 12

約数和(自身を含む): 31007520

約数和(自身を除く): 11917618

約数列:

[1, 2, 13, 26, 169, 338, 56479, 112958, 734227, 1468454, 9544951, 19089902]

約数ペア:

[(1, 19089902), (2, 9544951), (13, 1468454), (26, 734227), (169, 112958), (338, 56479)]