2019913790

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{69389}}^1$

素因数の和:69508

約数の個数: 32

約数和(自身を含む): 3777036480

約数和(自身を除く): 1757122690

約数列:

[1, 2, 5, 10, 41, 71, 82, 142, 205, 355, 410, 710, 2911, 5822, 14555, 29110, 69389, 138778, 346945, 693890, 2844949, 4926619, 5689898, 9853238, 14224745, 24633095, 28449490, 49266190, 201991379, 403982758, 1009956895, 2019913790]

約数ペア:

[(1, 2019913790), (2, 1009956895), (5, 403982758), (10, 201991379), (41, 49266190), (71, 28449490), (82, 24633095), (142, 14224745), (205, 9853238), (355, 5689898), (410, 4926619), (710, 2844949), (2911, 693890), (5822, 346945), (14555, 138778), (29110, 69389)]