18406834

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{251}}^1\times {\mathrm{991}}^1$

素因数の和:1281

約数の個数: 16

約数和(自身を含む): 28498176

約数和(自身を除く): 10091342

約数列:

[1, 2, 37, 74, 251, 502, 991, 1982, 9287, 18574, 36667, 73334, 248741, 497482, 9203417, 18406834]

約数ペア:

[(1, 18406834), (2, 9203417), (37, 497482), (74, 248741), (251, 73334), (502, 36667), (991, 18574), (1982, 9287)]