18420262

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{42443}}^1$

素因数の和:42483

約数の個数: 16

約数和(自身を含む): 32596992

約数和(自身を除く): 14176730

約数列:

[1, 2, 7, 14, 31, 62, 217, 434, 42443, 84886, 297101, 594202, 1315733, 2631466, 9210131, 18420262]

約数ペア:

[(1, 18420262), (2, 9210131), (7, 2631466), (14, 1315733), (31, 594202), (62, 297101), (217, 84886), (434, 42443)]