18578421

素因数分解:

$3^2\times {\mathrm{457}}^1\times {\mathrm{4517}}^1$

素因数の和:4980

約数の個数: 12

約数和(自身を含む): 26900172

約数和(自身を除く): 8321751

約数列:

[1, 3, 9, 457, 1371, 4113, 4517, 13551, 40653, 2064269, 6192807, 18578421]

約数ペア:

[(1, 18578421), (3, 6192807), (9, 2064269), (457, 40653), (1371, 13551), (4113, 4517)]