2018759980

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{2147617}}^1$

素因数の和:2147673

約数の個数: 24

約数和(自身を含む): 4329597888

約数和(自身を除く): 2310837908

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 188, 235, 470, 940, 2147617, 4295234, 8590468, 10738085, 21476170, 42952340, 100937999, 201875998, 403751996, 504689995, 1009379990, 2018759980]

約数ペア:

[(1, 2018759980), (2, 1009379990), (4, 504689995), (5, 403751996), (10, 201875998), (20, 100937999), (47, 42952340), (94, 21476170), (188, 10738085), (235, 8590468), (470, 4295234), (940, 2147617)]