18965438

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{4013}}^1$

素因数の和:4171

約数の個数: 16

約数和(自身を含む): 30345840

約数和(自身を除く): 11380402

約数列:

[1, 2, 17, 34, 139, 278, 2363, 4013, 4726, 8026, 68221, 136442, 557807, 1115614, 9482719, 18965438]

約数ペア:

[(1, 18965438), (2, 9482719), (17, 1115614), (34, 557807), (139, 136442), (278, 68221), (2363, 8026), (4013, 4726)]