18313904

素因数分解:

$2^4\times 7^1\times {\mathrm{163517}}^1$

素因数の和:163532

約数の個数: 20

約数和(自身を含む): 40552464

約数和(自身を除く): 22238560

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 163517, 327034, 654068, 1144619, 1308136, 2289238, 2616272, 4578476, 9156952, 18313904]

約数ペア:

[(1, 18313904), (2, 9156952), (4, 4578476), (7, 2616272), (8, 2289238), (14, 1308136), (16, 1144619), (28, 654068), (56, 327034), (112, 163517)]