19998583015

素因数分解:

$5^1\times {\mathrm{53}}^1\times {\mathrm{107}}^1\times {\mathrm{705293}}^1$

素因数の和:705458

約数の個数: 16

約数和(自身を含む): 24679647648

約数和(自身を除く): 4681064633

約数列:

[1, 5, 53, 107, 265, 535, 5671, 28355, 705293, 3526465, 37380529, 75466351, 186902645, 377331755, 3999716603, 19998583015]

約数ペア:

[(1, 19998583015), (5, 3999716603), (53, 377331755), (107, 186902645), (265, 75466351), (535, 37380529), (5671, 3526465), (28355, 705293)]