18739396

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{1459}}^1$

素因数の和:1508

約数の個数: 36

約数和(自身を含む): 37405200

約数和(自身を除く): 18665804

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 169, 247, 338, 494, 676, 988, 1459, 2918, 3211, 5836, 6422, 12844, 18967, 27721, 37934, 55442, 75868, 110884, 246571, 360373, 493142, 720746, 986284, 1441492, 4684849, 9369698, 18739396]

約数ペア:

[(1, 18739396), (2, 9369698), (4, 4684849), (13, 1441492), (19, 986284), (26, 720746), (38, 493142), (52, 360373), (76, 246571), (169, 110884), (247, 75868), (338, 55442), (494, 37934), (676, 27721), (988, 18967), (1459, 12844), (2918, 6422), (3211, 5836)]