19991554562

素因数分解:

$2^1\times 7^1\times {\mathrm{163}}^1\times {\mathrm{2131}}^1\times {\mathrm{4111}}^1$

素因数の和:6414

約数の個数: 32

約数和(自身を含む): 34506061824

約数和(自身を除く): 14514507262

約数列:

[1, 2, 7, 14, 163, 326, 1141, 2131, 2282, 4111, 4262, 8222, 14917, 28777, 29834, 57554, 347353, 670093, 694706, 1340186, 2431471, 4690651, 4862942, 8760541, 9381302, 17521082, 61323787, 122647574, 1427968183, 2855936366, 9995777281, 19991554562]

約数ペア:

[(1, 19991554562), (2, 9995777281), (7, 2855936366), (14, 1427968183), (163, 122647574), (326, 61323787), (1141, 17521082), (2131, 9381302), (2282, 8760541), (4111, 4862942), (4262, 4690651), (8222, 2431471), (14917, 1340186), (28777, 694706), (29834, 670093), (57554, 347353)]