17920238

素因数分解:

$2^1\times 7^1\times {\mathrm{277}}^1\times {\mathrm{4621}}^1$

素因数の和:4907

約数の個数: 16

約数和(自身を含む): 30837984

約数和(自身を除く): 12917746

約数列:

[1, 2, 7, 14, 277, 554, 1939, 3878, 4621, 9242, 32347, 64694, 1280017, 2560034, 8960119, 17920238]

約数ペア:

[(1, 17920238), (2, 8960119), (7, 2560034), (14, 1280017), (277, 64694), (554, 32347), (1939, 9242), (3878, 4621)]