19658652

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{5479}}^1$

素因数の和:5522

約数の個数: 48

約数和(自身を含む): 51555840

約数和(自身を除く): 31897188

約数列:

[1, 2, 3, 4, 6, 12, 13, 23, 26, 39, 46, 52, 69, 78, 92, 138, 156, 276, 299, 598, 897, 1196, 1794, 3588, 5479, 10958, 16437, 21916, 32874, 65748, 71227, 126017, 142454, 213681, 252034, 284908, 378051, 427362, 504068, 756102, 854724, 1512204, 1638221, 3276442, 4914663, 6552884, 9829326, 19658652]

約数ペア:

[(1, 19658652), (2, 9829326), (3, 6552884), (4, 4914663), (6, 3276442), (12, 1638221), (13, 1512204), (23, 854724), (26, 756102), (39, 504068), (46, 427362), (52, 378051), (69, 284908), (78, 252034), (92, 213681), (138, 142454), (156, 126017), (276, 71227), (299, 65748), (598, 32874), (897, 21916), (1196, 16437), (1794, 10958), (3588, 5479)]