18746963284

素因数分解:

$2^2\times 7^1\times {\mathrm{421}}^1\times {\mathrm{1590343}}^1$

素因数の和:1590775

約数の個数: 24

約数和(自身を含む): 37583009408

約数和(自身を除く): 18836046124

約数列:

[1, 2, 4, 7, 14, 28, 421, 842, 1684, 2947, 5894, 11788, 1590343, 3180686, 6361372, 11132401, 22264802, 44529604, 669534403, 1339068806, 2678137612, 4686740821, 9373481642, 18746963284]

約数ペア:

[(1, 18746963284), (2, 9373481642), (4, 4686740821), (7, 2678137612), (14, 1339068806), (28, 669534403), (421, 44529604), (842, 22264802), (1684, 11132401), (2947, 6361372), (5894, 3180686), (11788, 1590343)]