16388570

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{383}}^1\times {\mathrm{389}}^1$

素因数の和:790

約数の個数: 32

約数和(自身を含む): 32348160

約数和(自身を除く): 15959590

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 383, 389, 766, 778, 1915, 1945, 3830, 3890, 4213, 4279, 8426, 8558, 21065, 21395, 42130, 42790, 148987, 297974, 744935, 1489870, 1638857, 3277714, 8194285, 16388570]

約数ペア:

[(1, 16388570), (2, 8194285), (5, 3277714), (10, 1638857), (11, 1489870), (22, 744935), (55, 297974), (110, 148987), (383, 42790), (389, 42130), (766, 21395), (778, 21065), (1915, 8558), (1945, 8426), (3830, 4279), (3890, 4213)]