18903213

素因数分解:

$3^5\times 7^1\times {\mathrm{11113}}^1$

素因数の和:11135

約数の個数: 24

約数和(自身を含む): 32363968

約数和(自身を除く): 13460755

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 243, 567, 1701, 11113, 33339, 77791, 100017, 233373, 300051, 700119, 900153, 2100357, 2700459, 6301071, 18903213]

約数ペア:

[(1, 18903213), (3, 6301071), (7, 2700459), (9, 2100357), (21, 900153), (27, 700119), (63, 300051), (81, 233373), (189, 100017), (243, 77791), (567, 33339), (1701, 11113)]