19495787

素因数分解:

${\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{83}}^1\times {\mathrm{337}}^1$

素因数の和:478

約数の個数: 16

約数和(自身を含む): 21464352

約数和(自身を除く): 1968565

約数列:

[1, 17, 41, 83, 337, 697, 1411, 3403, 5729, 13817, 27971, 57851, 234889, 475507, 1146811, 19495787]

約数ペア:

[(1, 19495787), (17, 1146811), (41, 475507), (83, 234889), (337, 57851), (697, 27971), (1411, 13817), (3403, 5729)]