19004560

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{12503}}^1$

素因数の和:12535

約数の個数: 40

約数和(自身を含む): 46514880

約数和(自身を除く): 27510320

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 12503, 25006, 50012, 62515, 100024, 125030, 200048, 237557, 250060, 475114, 500120, 950228, 1000240, 1187785, 1900456, 2375570, 3800912, 4751140, 9502280, 19004560]

約数ペア:

[(1, 19004560), (2, 9502280), (4, 4751140), (5, 3800912), (8, 2375570), (10, 1900456), (16, 1187785), (19, 1000240), (20, 950228), (38, 500120), (40, 475114), (76, 250060), (80, 237557), (95, 200048), (152, 125030), (190, 100024), (304, 62515), (380, 50012), (760, 25006), (1520, 12503)]