17920714

素因数分解:

$2^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{9209}}^1$

素因数の和:9357

約数の個数: 16

約数和(自身を含む): 30945600

約数和(自身を除く): 13024886

約数列:

[1, 2, 7, 14, 139, 278, 973, 1946, 9209, 18418, 64463, 128926, 1280051, 2560102, 8960357, 17920714]

約数ペア:

[(1, 17920714), (2, 8960357), (7, 2560102), (14, 1280051), (139, 128926), (278, 64463), (973, 18418), (1946, 9209)]