18990392

素因数分解:

$2^3\times {\mathrm{137}}^1\times {\mathrm{17327}}^1$

素因数の和:17470

約数の個数: 16

約数和(自身を含む): 35868960

約数和(自身を除く): 16878568

約数列:

[1, 2, 4, 8, 137, 274, 548, 1096, 17327, 34654, 69308, 138616, 2373799, 4747598, 9495196, 18990392]

約数ペア:

[(1, 18990392), (2, 9495196), (4, 4747598), (8, 2373799), (137, 138616), (274, 69308), (548, 34654), (1096, 17327)]