19853554

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{61657}}^1$

素因数の和:61689

約数の個数: 16

約数和(自身を含む): 35515008

約数和(自身を除く): 15661454

約数列:

[1, 2, 7, 14, 23, 46, 161, 322, 61657, 123314, 431599, 863198, 1418111, 2836222, 9926777, 19853554]

約数ペア:

[(1, 19853554), (2, 9926777), (7, 2836222), (14, 1418111), (23, 863198), (46, 431599), (161, 123314), (322, 61657)]