18731888

素因数分解:

$2^4\times 7^1\times {\mathrm{167249}}^1$

素因数の和:167264

約数の個数: 20

約数和(自身を含む): 41478000

約数和(自身を除く): 22746112

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 167249, 334498, 668996, 1170743, 1337992, 2341486, 2675984, 4682972, 9365944, 18731888]

約数ペア:

[(1, 18731888), (2, 9365944), (4, 4682972), (7, 2675984), (8, 2341486), (14, 1337992), (16, 1170743), (28, 668996), (56, 334498), (112, 167249)]