19740658

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{1579}}^1$

素因数の和:1654

約数の個数: 32

約数和(自身を含む): 36403200

約数和(自身を除く): 16662542

約数列:

[1, 2, 7, 14, 19, 38, 47, 94, 133, 266, 329, 658, 893, 1579, 1786, 3158, 6251, 11053, 12502, 22106, 30001, 60002, 74213, 148426, 210007, 420014, 519491, 1038982, 1410047, 2820094, 9870329, 19740658]

約数ペア:

[(1, 19740658), (2, 9870329), (7, 2820094), (14, 1410047), (19, 1038982), (38, 519491), (47, 420014), (94, 210007), (133, 148426), (266, 74213), (329, 60002), (658, 30001), (893, 22106), (1579, 12502), (1786, 11053), (3158, 6251)]