18870148

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{173}}^1$

素因数の和:292

約数の個数: 48

約数和(自身を含む): 37767744

約数和(自身を除く): 18897596

約数列:

[1, 2, 4, 11, 22, 37, 44, 67, 74, 134, 148, 173, 268, 346, 407, 692, 737, 814, 1474, 1628, 1903, 2479, 2948, 3806, 4958, 6401, 7612, 9916, 11591, 12802, 23182, 25604, 27269, 46364, 54538, 70411, 109076, 127501, 140822, 255002, 281644, 428867, 510004, 857734, 1715468, 4717537, 9435074, 18870148]

約数ペア:

[(1, 18870148), (2, 9435074), (4, 4717537), (11, 1715468), (22, 857734), (37, 510004), (44, 428867), (67, 281644), (74, 255002), (134, 140822), (148, 127501), (173, 109076), (268, 70411), (346, 54538), (407, 46364), (692, 27269), (737, 25604), (814, 23182), (1474, 12802), (1628, 11591), (1903, 9916), (2479, 7612), (2948, 6401), (3806, 4958)]