18994218

素因数分解:

$2^1\times 3^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1\times {\mathrm{887}}^1$

素因数の和:1018

約数の個数: 32

約数和(自身を含む): 39384576

約数和(自身を除く): 20390358

約数列:

[1, 2, 3, 6, 43, 83, 86, 129, 166, 249, 258, 498, 887, 1774, 2661, 3569, 5322, 7138, 10707, 21414, 38141, 73621, 76282, 114423, 147242, 220863, 228846, 441726, 3165703, 6331406, 9497109, 18994218]

約数ペア:

[(1, 18994218), (2, 9497109), (3, 6331406), (6, 3165703), (43, 441726), (83, 228846), (86, 220863), (129, 147242), (166, 114423), (249, 76282), (258, 73621), (498, 38141), (887, 21414), (1774, 10707), (2661, 7138), (3569, 5322)]