19381705

素因数分解:

$5^1\times 7^2\times {\mathrm{239}}^1\times {\mathrm{331}}^1$

素因数の和:589

約数の個数: 24

約数和(自身を含む): 27250560

約数和(自身を除く): 7868855

約数列:

[1, 5, 7, 35, 49, 239, 245, 331, 1195, 1655, 1673, 2317, 8365, 11585, 11711, 16219, 58555, 79109, 81095, 395545, 553763, 2768815, 3876341, 19381705]

約数ペア:

[(1, 19381705), (5, 3876341), (7, 2768815), (35, 553763), (49, 395545), (239, 81095), (245, 79109), (331, 58555), (1195, 16219), (1655, 11711), (1673, 11585), (2317, 8365)]