18912752

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{62213}}^1$

素因数の和:62240

約数の個数: 20

約数和(自身を含む): 38572680

約数和(自身を除く): 19659928

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 62213, 124426, 248852, 497704, 995408, 1182047, 2364094, 4728188, 9456376, 18912752]

約数ペア:

[(1, 18912752), (2, 9456376), (4, 4728188), (8, 2364094), (16, 1182047), (19, 995408), (38, 497704), (76, 248852), (152, 124426), (304, 62213)]