18953188

素因数分解:

$2^2\times {\mathrm{61}}^1\times {\mathrm{173}}^1\times {\mathrm{449}}^1$

素因数の和:687

約数の個数: 24

約数和(自身を含む): 33982200

約数和(自身を除く): 15029012

約数列:

[1, 2, 4, 61, 122, 173, 244, 346, 449, 692, 898, 1796, 10553, 21106, 27389, 42212, 54778, 77677, 109556, 155354, 310708, 4738297, 9476594, 18953188]

約数ペア:

[(1, 18953188), (2, 9476594), (4, 4738297), (61, 310708), (122, 155354), (173, 109556), (244, 77677), (346, 54778), (449, 42212), (692, 27389), (898, 21106), (1796, 10553)]