18643324

素因数分解:

$2^2\times 7^2\times {\mathrm{73}}^1\times {\mathrm{1303}}^1$

素因数の和:1394

約数の個数: 36

約数和(自身を含む): 38501904

約数和(自身を除く): 19858580

約数列:

[1, 2, 4, 7, 14, 28, 49, 73, 98, 146, 196, 292, 511, 1022, 1303, 2044, 2606, 3577, 5212, 7154, 9121, 14308, 18242, 36484, 63847, 95119, 127694, 190238, 255388, 380476, 665833, 1331666, 2663332, 4660831, 9321662, 18643324]

約数ペア:

[(1, 18643324), (2, 9321662), (4, 4660831), (7, 2663332), (14, 1331666), (28, 665833), (49, 380476), (73, 255388), (98, 190238), (146, 127694), (196, 95119), (292, 63847), (511, 36484), (1022, 18242), (1303, 14308), (2044, 9121), (2606, 7154), (3577, 5212)]