18976564

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{313}}^1\times {\mathrm{659}}^1$

素因数の和:999

約数の個数: 24

約数和(自身を含む): 34816320

約数和(自身を除く): 15839756

約数列:

[1, 2, 4, 23, 46, 92, 313, 626, 659, 1252, 1318, 2636, 7199, 14398, 15157, 28796, 30314, 60628, 206267, 412534, 825068, 4744141, 9488282, 18976564]

約数ペア:

[(1, 18976564), (2, 9488282), (4, 4744141), (23, 825068), (46, 412534), (92, 206267), (313, 60628), (626, 30314), (659, 28796), (1252, 15157), (1318, 14398), (2636, 7199)]