19406600

素因数分解:

$2^3\times 5^2\times {\mathrm{19}}^1\times {\mathrm{5107}}^1$

素因数の和:5142

約数の個数: 48

約数和(自身を含む): 47504400

約数和(自身を除く): 28097800

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 25, 38, 40, 50, 76, 95, 100, 152, 190, 200, 380, 475, 760, 950, 1900, 3800, 5107, 10214, 20428, 25535, 40856, 51070, 97033, 102140, 127675, 194066, 204280, 255350, 388132, 485165, 510700, 776264, 970330, 1021400, 1940660, 2425825, 3881320, 4851650, 9703300, 19406600]

約数ペア:

[(1, 19406600), (2, 9703300), (4, 4851650), (5, 3881320), (8, 2425825), (10, 1940660), (19, 1021400), (20, 970330), (25, 776264), (38, 510700), (40, 485165), (50, 388132), (76, 255350), (95, 204280), (100, 194066), (152, 127675), (190, 102140), (200, 97033), (380, 51070), (475, 40856), (760, 25535), (950, 20428), (1900, 10214), (3800, 5107)]