18558890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{5641}}^1$

素因数の和:5702

約数の個数: 32

約数和(自身を含む): 38997504

約数和(自身を除く): 20438614

約数列:

[1, 2, 5, 7, 10, 14, 35, 47, 70, 94, 235, 329, 470, 658, 1645, 3290, 5641, 11282, 28205, 39487, 56410, 78974, 197435, 265127, 394870, 530254, 1325635, 1855889, 2651270, 3711778, 9279445, 18558890]

約数ペア:

[(1, 18558890), (2, 9279445), (5, 3711778), (7, 2651270), (10, 1855889), (14, 1325635), (35, 530254), (47, 394870), (70, 265127), (94, 197435), (235, 78974), (329, 56410), (470, 39487), (658, 28205), (1645, 11282), (3290, 5641)]