19454000

素因数分解:

$2^4\times 5^3\times {\mathrm{71}}^1\times {\mathrm{137}}^1$

素因数の和:231

約数の個数: 80

約数和(自身を含む): 48050496

約数和(自身を除く): 28596496

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 71, 80, 100, 125, 137, 142, 200, 250, 274, 284, 355, 400, 500, 548, 568, 685, 710, 1000, 1096, 1136, 1370, 1420, 1775, 2000, 2192, 2740, 2840, 3425, 3550, 5480, 5680, 6850, 7100, 8875, 9727, 10960, 13700, 14200, 17125, 17750, 19454, 27400, 28400, 34250, 35500, 38908, 48635, 54800, 68500, 71000, 77816, 97270, 137000, 142000, 155632, 194540, 243175, 274000, 389080, 486350, 778160, 972700, 1215875, 1945400, 2431750, 3890800, 4863500, 9727000, 19454000]

約数ペア:

[(1, 19454000), (2, 9727000), (4, 4863500), (5, 3890800), (8, 2431750), (10, 1945400), (16, 1215875), (20, 972700), (25, 778160), (40, 486350), (50, 389080), (71, 274000), (80, 243175), (100, 194540), (125, 155632), (137, 142000), (142, 137000), (200, 97270), (250, 77816), (274, 71000), (284, 68500), (355, 54800), (400, 48635), (500, 38908), (548, 35500), (568, 34250), (685, 28400), (710, 27400), (1000, 19454), (1096, 17750), (1136, 17125), (1370, 14200), (1420, 13700), (1775, 10960), (2000, 9727), (2192, 8875), (2740, 7100), (2840, 6850), (3425, 5680), (3550, 5480)]