18920264

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{3209}}^1$

素因数の和:3293

約数の個数: 32

約数和(自身を含む): 39290400

約数和(自身を除く): 20370136

約数列:

[1, 2, 4, 8, 11, 22, 44, 67, 88, 134, 268, 536, 737, 1474, 2948, 3209, 5896, 6418, 12836, 25672, 35299, 70598, 141196, 215003, 282392, 430006, 860012, 1720024, 2365033, 4730066, 9460132, 18920264]

約数ペア:

[(1, 18920264), (2, 9460132), (4, 4730066), (8, 2365033), (11, 1720024), (22, 860012), (44, 430006), (67, 282392), (88, 215003), (134, 141196), (268, 70598), (536, 35299), (737, 25672), (1474, 12836), (2948, 6418), (3209, 5896)]