19022800

素因数分解:

$2^4\times 5^2\times {\mathrm{19}}^1\times {\mathrm{2503}}^1$

素因数の和:2540

約数の個数: 60

約数和(自身を含む): 48126880

約数和(自身を除く): 29104080

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 38, 40, 50, 76, 80, 95, 100, 152, 190, 200, 304, 380, 400, 475, 760, 950, 1520, 1900, 2503, 3800, 5006, 7600, 10012, 12515, 20024, 25030, 40048, 47557, 50060, 62575, 95114, 100120, 125150, 190228, 200240, 237785, 250300, 380456, 475570, 500600, 760912, 951140, 1001200, 1188925, 1902280, 2377850, 3804560, 4755700, 9511400, 19022800]

約数ペア:

[(1, 19022800), (2, 9511400), (4, 4755700), (5, 3804560), (8, 2377850), (10, 1902280), (16, 1188925), (19, 1001200), (20, 951140), (25, 760912), (38, 500600), (40, 475570), (50, 380456), (76, 250300), (80, 237785), (95, 200240), (100, 190228), (152, 125150), (190, 100120), (200, 95114), (304, 62575), (380, 50060), (400, 47557), (475, 40048), (760, 25030), (950, 20024), (1520, 12515), (1900, 10012), (2503, 7600), (3800, 5006)]