17975780

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{12659}}^1$

素因数の和:12739

約数の個数: 24

約数和(自身を含む): 38283840

約数和(自身を除く): 20308060

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 12659, 25318, 50636, 63295, 126590, 253180, 898789, 1797578, 3595156, 4493945, 8987890, 17975780]

約数ペア:

[(1, 17975780), (2, 8987890), (4, 4493945), (5, 3595156), (10, 1797578), (20, 898789), (71, 253180), (142, 126590), (284, 63295), (355, 50636), (710, 25318), (1420, 12659)]