2019921215

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1827983}}^1$

素因数の和:1828018

約数の個数: 16

約数和(自身を含む): 2763911808

約数和(自身を除く): 743990593

約数列:

[1, 5, 13, 17, 65, 85, 221, 1105, 1827983, 9139915, 23763779, 31075711, 118818895, 155378555, 403984243, 2019921215]

約数ペア:

[(1, 2019921215), (5, 403984243), (13, 155378555), (17, 118818895), (65, 31075711), (85, 23763779), (221, 9139915), (1105, 1827983)]