18431728

素因数分解:

$2^4\times 7^1\times {\mathrm{164569}}^1$

素因数の和:164584

約数の個数: 20

約数和(自身を含む): 40813360

約数和(自身を除く): 22381632

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 164569, 329138, 658276, 1151983, 1316552, 2303966, 2633104, 4607932, 9215864, 18431728]

約数ペア:

[(1, 18431728), (2, 9215864), (4, 4607932), (7, 2633104), (8, 2303966), (14, 1316552), (16, 1151983), (28, 658276), (56, 329138), (112, 164569)]