19713868

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{5519}}^1$

素因数の和:5589

約数の個数: 24

約数和(自身を含む): 37094400

約数和(自身を除く): 17380532

約数列:

[1, 2, 4, 19, 38, 47, 76, 94, 188, 893, 1786, 3572, 5519, 11038, 22076, 104861, 209722, 259393, 419444, 518786, 1037572, 4928467, 9856934, 19713868]

約数ペア:

[(1, 19713868), (2, 9856934), (4, 4928467), (19, 1037572), (38, 518786), (47, 419444), (76, 259393), (94, 209722), (188, 104861), (893, 22076), (1786, 11038), (3572, 5519)]