18392003

素因数分解:

$7^3\times {\mathrm{29}}^1\times {\mathrm{43}}^2$

素因数の和:136

約数の個数: 24

約数和(自身を含む): 22716000

約数和(自身を除く): 4323997

約数列:

[1, 7, 29, 43, 49, 203, 301, 343, 1247, 1421, 1849, 2107, 8729, 9947, 12943, 14749, 53621, 61103, 90601, 375347, 427721, 634207, 2627429, 18392003]

約数ペア:

[(1, 18392003), (7, 2627429), (29, 634207), (43, 427721), (49, 375347), (203, 90601), (301, 61103), (343, 53621), (1247, 14749), (1421, 12943), (1849, 9947), (2107, 8729)]