19956004

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{2707}}^1$

素因数の和:2827

約数の個数: 24

約数和(自身を含む): 37153760

約数和(自身を除く): 17197756

約数列:

[1, 2, 4, 19, 38, 76, 97, 194, 388, 1843, 2707, 3686, 5414, 7372, 10828, 51433, 102866, 205732, 262579, 525158, 1050316, 4989001, 9978002, 19956004]

約数ペア:

[(1, 19956004), (2, 9978002), (4, 4989001), (19, 1050316), (38, 525158), (76, 262579), (97, 205732), (194, 102866), (388, 51433), (1843, 10828), (2707, 7372), (3686, 5414)]