18689468

素因数分解:

$2^2\times 7^1\times {\mathrm{503}}^1\times {\mathrm{1327}}^1$

素因数の和:1841

約数の個数: 24

約数和(自身を含む): 37481472

約数和(自身を除く): 18792004

約数列:

[1, 2, 4, 7, 14, 28, 503, 1006, 1327, 2012, 2654, 3521, 5308, 7042, 9289, 14084, 18578, 37156, 667481, 1334962, 2669924, 4672367, 9344734, 18689468]

約数ペア:

[(1, 18689468), (2, 9344734), (4, 4672367), (7, 2669924), (14, 1334962), (28, 667481), (503, 37156), (1006, 18578), (1327, 14084), (2012, 9289), (2654, 7042), (3521, 5308)]