11820788

素因数分解:

$2^2\times 7^1\times {\mathrm{197}}^1\times {\mathrm{2143}}^1$

素因数の和:2351

約数の個数: 24

約数和(自身を含む): 23772672

約数和(自身を除く): 11951884

約数列:

[1, 2, 4, 7, 14, 28, 197, 394, 788, 1379, 2143, 2758, 4286, 5516, 8572, 15001, 30002, 60004, 422171, 844342, 1688684, 2955197, 5910394, 11820788]

約数ペア:

[(1, 11820788), (2, 5910394), (4, 2955197), (7, 1688684), (14, 844342), (28, 422171), (197, 60004), (394, 30002), (788, 15001), (1379, 8572), (2143, 5516), (2758, 4286)]