18814244

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{1289}}^1$

素因数の和:1423

約数の個数: 24

約数和(自身を含む): 34133400

約数和(自身を除く): 15319156

約数列:

[1, 2, 4, 41, 82, 89, 164, 178, 356, 1289, 2578, 3649, 5156, 7298, 14596, 52849, 105698, 114721, 211396, 229442, 458884, 4703561, 9407122, 18814244]

約数ペア:

[(1, 18814244), (2, 9407122), (4, 4703561), (41, 458884), (82, 229442), (89, 211396), (164, 114721), (178, 105698), (356, 52849), (1289, 14596), (2578, 7298), (3649, 5156)]