18673809

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{7349}}^1$

素因数の和:7381

約数の個数: 24

約数和(自身を含む): 31281600

約数和(自身を除く): 12607791

約数列:

[1, 3, 7, 11, 21, 33, 77, 121, 231, 363, 847, 2541, 7349, 22047, 51443, 80839, 154329, 242517, 565873, 889229, 1697619, 2667687, 6224603, 18673809]

約数ペア:

[(1, 18673809), (3, 6224603), (7, 2667687), (11, 1697619), (21, 889229), (33, 565873), (77, 242517), (121, 154329), (231, 80839), (363, 51443), (847, 22047), (2541, 7349)]