18331810

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{257}}^1\times {\mathrm{1019}}^1$

素因数の和:1290

約数の個数: 32

約数和(自身を含む): 37895040

約数和(自身を除く): 19563230

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 257, 514, 1019, 1285, 1799, 2038, 2570, 3598, 5095, 7133, 8995, 10190, 14266, 17990, 35665, 71330, 261883, 523766, 1309415, 1833181, 2618830, 3666362, 9165905, 18331810]

約数ペア:

[(1, 18331810), (2, 9165905), (5, 3666362), (7, 2618830), (10, 1833181), (14, 1309415), (35, 523766), (70, 261883), (257, 71330), (514, 35665), (1019, 17990), (1285, 14266), (1799, 10190), (2038, 8995), (2570, 7133), (3598, 5095)]