18365229

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{211}}^1\times {\mathrm{509}}^1$

素因数の和:745

約数の個数: 24

約数和(自身を含む): 28111200

約数和(自身を除く): 9745971

約数列:

[1, 3, 9, 19, 57, 171, 211, 509, 633, 1527, 1899, 4009, 4581, 9671, 12027, 29013, 36081, 87039, 107399, 322197, 966591, 2040581, 6121743, 18365229]

約数ペア:

[(1, 18365229), (3, 6121743), (9, 2040581), (19, 966591), (57, 322197), (171, 107399), (211, 87039), (509, 36081), (633, 29013), (1527, 12027), (1899, 9671), (4009, 4581)]