18365872

素因数分解:

$2^4\times 7^1\times {\mathrm{163981}}^1$

素因数の和:163996

約数の個数: 20

約数和(自身を含む): 40667536

約数和(自身を除く): 22301664

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 163981, 327962, 655924, 1147867, 1311848, 2295734, 2623696, 4591468, 9182936, 18365872]

約数ペア:

[(1, 18365872), (2, 9182936), (4, 4591468), (7, 2623696), (8, 2295734), (14, 1311848), (16, 1147867), (28, 655924), (56, 327962), (112, 163981)]