18520491

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{11941}}^1$

素因数の和:12002

約数の個数: 16

約数和(自身を含む): 27514368

約数和(自身を除く): 8993877

約数列:

[1, 3, 11, 33, 47, 141, 517, 1551, 11941, 35823, 131351, 394053, 561227, 1683681, 6173497, 18520491]

約数ペア:

[(1, 18520491), (3, 6173497), (11, 1683681), (33, 561227), (47, 394053), (141, 131351), (517, 35823), (1551, 11941)]