19625347

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1$

素因数の和:187

約数の個数: 32

約数和(自身を含む): 24998400

約数和(自身を除く): 5373053

約数列:

[1, 7, 19, 41, 59, 61, 133, 287, 413, 427, 779, 1121, 1159, 2419, 2501, 3599, 5453, 7847, 8113, 16933, 17507, 25193, 45961, 47519, 68381, 147559, 321727, 332633, 478667, 1032913, 2803621, 19625347]

約数ペア:

[(1, 19625347), (7, 2803621), (19, 1032913), (41, 478667), (59, 332633), (61, 321727), (133, 147559), (287, 68381), (413, 47519), (427, 45961), (779, 25193), (1121, 17507), (1159, 16933), (2419, 8113), (2501, 7847), (3599, 5453)]