18417512

素因数分解:

$2^3\times {\mathrm{109}}^1\times {\mathrm{21121}}^1$

素因数の和:21236

約数の個数: 16

約数和(自身を含む): 34851300

約数和(自身を除く): 16433788

約数列:

[1, 2, 4, 8, 109, 218, 436, 872, 21121, 42242, 84484, 168968, 2302189, 4604378, 9208756, 18417512]

約数ペア:

[(1, 18417512), (2, 9208756), (4, 4604378), (8, 2302189), (109, 168968), (218, 84484), (436, 42242), (872, 21121)]