2018317808

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{69809}}^1$

素因数の和:69969

約数の個数: 40

約数和(自身を含む): 4241655600

約数和(自身を除く): 2223337792

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 139, 208, 278, 556, 1112, 1807, 2224, 3614, 7228, 14456, 28912, 69809, 139618, 279236, 558472, 907517, 1116944, 1815034, 3630068, 7260136, 9703451, 14520272, 19406902, 38813804, 77627608, 126144863, 155255216, 252289726, 504579452, 1009158904, 2018317808]

約数ペア:

[(1, 2018317808), (2, 1009158904), (4, 504579452), (8, 252289726), (13, 155255216), (16, 126144863), (26, 77627608), (52, 38813804), (104, 19406902), (139, 14520272), (208, 9703451), (278, 7260136), (556, 3630068), (1112, 1815034), (1807, 1116944), (2224, 907517), (3614, 558472), (7228, 279236), (14456, 139618), (28912, 69809)]