19962663

素因数分解:

$3^1\times 7^1\times {\mathrm{641}}^1\times {\mathrm{1483}}^1$

素因数の和:2134

約数の個数: 16

約数和(自身を含む): 30487296

約数和(自身を除く): 10524633

約数列:

[1, 3, 7, 21, 641, 1483, 1923, 4449, 4487, 10381, 13461, 31143, 950603, 2851809, 6654221, 19962663]

約数ペア:

[(1, 19962663), (3, 6654221), (7, 2851809), (21, 950603), (641, 31143), (1483, 13461), (1923, 10381), (4449, 4487)]