19707560

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{25931}}^1$

素因数の和:25961

約数の個数: 32

約数和(自身を含む): 46677600

約数和(自身を除く): 26970040

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 25931, 51862, 103724, 129655, 207448, 259310, 492689, 518620, 985378, 1037240, 1970756, 2463445, 3941512, 4926890, 9853780, 19707560]

約数ペア:

[(1, 19707560), (2, 9853780), (4, 4926890), (5, 3941512), (8, 2463445), (10, 1970756), (19, 1037240), (20, 985378), (38, 518620), (40, 492689), (76, 259310), (95, 207448), (152, 129655), (190, 103724), (380, 51862), (760, 25931)]