19993853

素因数分解:

${\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{3449}}^1$

素因数の和:3508

約数の個数: 16

約数和(自身を含む): 23846400

約数和(自身を除く): 3852547

約数列:

[1, 11, 17, 31, 187, 341, 527, 3449, 5797, 37939, 58633, 106919, 644963, 1176109, 1817623, 19993853]

約数ペア:

[(1, 19993853), (11, 1817623), (17, 1176109), (31, 644963), (187, 106919), (341, 58633), (527, 37939), (3449, 5797)]