18403952

素因数分解:

$2^4\times 7^1\times {\mathrm{164321}}^1$

素因数の和:164336

約数の個数: 20

約数和(自身を含む): 40751856

約数和(自身を除く): 22347904

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 164321, 328642, 657284, 1150247, 1314568, 2300494, 2629136, 4600988, 9201976, 18403952]

約数ペア:

[(1, 18403952), (2, 9201976), (4, 4600988), (7, 2629136), (8, 2300494), (14, 1314568), (16, 1150247), (28, 657284), (56, 328642), (112, 164321)]