18764996830

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{26429573}}^1$

素因数の和:26429651

約数の個数: 16

約数和(自身を含む): 34252727904

約数和(自身を除く): 15487731074

約数列:

[1, 2, 5, 10, 71, 142, 355, 710, 26429573, 52859146, 132147865, 264295730, 1876499683, 3752999366, 9382498415, 18764996830]

約数ペア:

[(1, 18764996830), (2, 9382498415), (5, 3752999366), (10, 1876499683), (71, 264295730), (142, 132147865), (355, 52859146), (710, 26429573)]