18769784

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{263}}^1\times {\mathrm{811}}^1$

素因数の和:1091

約数の個数: 32

約数和(自身を含む): 38586240

約数和(自身を除く): 19816456

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 263, 526, 811, 1052, 1622, 2104, 2893, 3244, 5786, 6488, 8921, 11572, 17842, 23144, 35684, 71368, 213293, 426586, 853172, 1706344, 2346223, 4692446, 9384892, 18769784]

約数ペア:

[(1, 18769784), (2, 9384892), (4, 4692446), (8, 2346223), (11, 1706344), (22, 853172), (44, 426586), (88, 213293), (263, 71368), (526, 35684), (811, 23144), (1052, 17842), (1622, 11572), (2104, 8921), (2893, 6488), (3244, 5786)]