17117860

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{421}}^1$

素因数の和:556

約数の個数: 48

約数和(自身を含む): 38283840

約数和(自身を除く): 21165980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 107, 190, 214, 380, 421, 428, 535, 842, 1070, 1684, 2033, 2105, 2140, 4066, 4210, 7999, 8132, 8420, 10165, 15998, 20330, 31996, 39995, 40660, 45047, 79990, 90094, 159980, 180188, 225235, 450470, 855893, 900940, 1711786, 3423572, 4279465, 8558930, 17117860]

約数ペア:

[(1, 17117860), (2, 8558930), (4, 4279465), (5, 3423572), (10, 1711786), (19, 900940), (20, 855893), (38, 450470), (76, 225235), (95, 180188), (107, 159980), (190, 90094), (214, 79990), (380, 45047), (421, 40660), (428, 39995), (535, 31996), (842, 20330), (1070, 15998), (1684, 10165), (2033, 8420), (2105, 8132), (2140, 7999), (4066, 4210)]