19428927

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{523}}^1$

素因数の和:623

約数の個数: 32

約数和(自身を含む): 31188480

約数和(自身を除く): 11759553

約数列:

[1, 3, 7, 21, 29, 61, 87, 183, 203, 427, 523, 609, 1281, 1569, 1769, 3661, 5307, 10983, 12383, 15167, 31903, 37149, 45501, 95709, 106169, 223321, 318507, 669963, 925187, 2775561, 6476309, 19428927]

約数ペア:

[(1, 19428927), (3, 6476309), (7, 2775561), (21, 925187), (29, 669963), (61, 318507), (87, 223321), (183, 106169), (203, 95709), (427, 45501), (523, 37149), (609, 31903), (1281, 15167), (1569, 12383), (1769, 10983), (3661, 5307)]