18479349

素因数分解:

$3^2\times 7^1\times {\mathrm{521}}^1\times {\mathrm{563}}^1$

素因数の和:1097

約数の個数: 24

約数和(自身を含む): 30618432

約数和(自身を除く): 12139083

約数列:

[1, 3, 7, 9, 21, 63, 521, 563, 1563, 1689, 3647, 3941, 4689, 5067, 10941, 11823, 32823, 35469, 293323, 879969, 2053261, 2639907, 6159783, 18479349]

約数ペア:

[(1, 18479349), (3, 6159783), (7, 2639907), (9, 2053261), (21, 879969), (63, 293323), (521, 35469), (563, 32823), (1563, 11823), (1689, 10941), (3647, 5067), (3941, 4689)]