18977618

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{547}}^1$

素因数の和:662

約数の個数: 32

約数和(自身を含む): 33143040

約数和(自身を除く): 14165422

約数列:

[1, 2, 11, 19, 22, 38, 83, 166, 209, 418, 547, 913, 1094, 1577, 1826, 3154, 6017, 10393, 12034, 17347, 20786, 34694, 45401, 90802, 114323, 228646, 499411, 862619, 998822, 1725238, 9488809, 18977618]

約数ペア:

[(1, 18977618), (2, 9488809), (11, 1725238), (19, 998822), (22, 862619), (38, 499411), (83, 228646), (166, 114323), (209, 90802), (418, 45401), (547, 34694), (913, 20786), (1094, 17347), (1577, 12034), (1826, 10393), (3154, 6017)]