19414221

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{151}}^1\times {\mathrm{2521}}^1$

素因数の和:2692

約数の個数: 16

約数和(自身を含む): 27600768

約数和(自身を除く): 8186547

約数列:

[1, 3, 17, 51, 151, 453, 2521, 2567, 7563, 7701, 42857, 128571, 380671, 1142013, 6471407, 19414221]

約数ペア:

[(1, 19414221), (3, 6471407), (17, 1142013), (51, 380671), (151, 128571), (453, 42857), (2521, 7701), (2567, 7563)]