18218134

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{22381}}^1$

素因数の和:22431

約数の個数: 16

約数和(自身を含む): 30618576

約数和(自身を除く): 12400442

約数列:

[1, 2, 11, 22, 37, 74, 407, 814, 22381, 44762, 246191, 492382, 828097, 1656194, 9109067, 18218134]

約数ペア:

[(1, 18218134), (2, 9109067), (11, 1656194), (22, 828097), (37, 492382), (74, 246191), (407, 44762), (814, 22381)]