19125128

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{3061}}^1$

素因数の和:3149

約数の個数: 32

約数和(自身を含む): 39683520

約数和(自身を除く): 20558392

約数列:

[1, 2, 4, 8, 11, 22, 44, 71, 88, 142, 284, 568, 781, 1562, 3061, 3124, 6122, 6248, 12244, 24488, 33671, 67342, 134684, 217331, 269368, 434662, 869324, 1738648, 2390641, 4781282, 9562564, 19125128]

約数ペア:

[(1, 19125128), (2, 9562564), (4, 4781282), (8, 2390641), (11, 1738648), (22, 869324), (44, 434662), (71, 269368), (88, 217331), (142, 134684), (284, 67342), (568, 33671), (781, 24488), (1562, 12244), (3061, 6248), (3124, 6122)]