18933663

素因数分解:

$3^1\times 7^1\times {\mathrm{211}}^1\times {\mathrm{4273}}^1$

素因数の和:4494

約数の個数: 16

約数和(自身を含む): 28994816

約数和(自身を除く): 10061153

約数列:

[1, 3, 7, 21, 211, 633, 1477, 4273, 4431, 12819, 29911, 89733, 901603, 2704809, 6311221, 18933663]

約数ペア:

[(1, 18933663), (3, 6311221), (7, 2704809), (21, 901603), (211, 89733), (633, 29911), (1477, 12819), (4273, 4431)]