18856347

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{257}}^1\times {\mathrm{661}}^1$

素因数の和:958

約数の個数: 16

約数和(自身を含む): 25960992

約数和(自身を除く): 7104645

約数列:

[1, 3, 37, 111, 257, 661, 771, 1983, 9509, 24457, 28527, 73371, 169877, 509631, 6285449, 18856347]

約数ペア:

[(1, 18856347), (3, 6285449), (37, 509631), (111, 169877), (257, 73371), (661, 28527), (771, 24457), (1983, 9509)]