19907918

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{283}}^1\times {\mathrm{2069}}^1$

素因数の和:2371

約数の個数: 16

約数和(自身を含む): 31745520

約数和(自身を除く): 11837602

約数列:

[1, 2, 17, 34, 283, 566, 2069, 4138, 4811, 9622, 35173, 70346, 585527, 1171054, 9953959, 19907918]

約数ペア:

[(1, 19907918), (2, 9953959), (17, 1171054), (34, 585527), (283, 70346), (566, 35173), (2069, 9622), (4138, 4811)]