11979918

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{1523}}^1$

素因数の和:1573

約数の個数: 48

約数和(自身を含む): 28529280

約数和(自身を除く): 16549362

約数列:

[1, 2, 3, 6, 9, 18, 19, 23, 38, 46, 57, 69, 114, 138, 171, 207, 342, 414, 437, 874, 1311, 1523, 2622, 3046, 3933, 4569, 7866, 9138, 13707, 27414, 28937, 35029, 57874, 70058, 86811, 105087, 173622, 210174, 260433, 315261, 520866, 630522, 665551, 1331102, 1996653, 3993306, 5989959, 11979918]

約数ペア:

[(1, 11979918), (2, 5989959), (3, 3993306), (6, 1996653), (9, 1331102), (18, 665551), (19, 630522), (23, 520866), (38, 315261), (46, 260433), (57, 210174), (69, 173622), (114, 105087), (138, 86811), (171, 70058), (207, 57874), (342, 35029), (414, 28937), (437, 27414), (874, 13707), (1311, 9138), (1523, 7866), (2622, 4569), (3046, 3933)]