18672345

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{21839}}^1$

素因数の和:21869

約数の個数: 24

約数和(自身を含む): 34070400

約数和(自身を除く): 15398055

約数列:

[1, 3, 5, 9, 15, 19, 45, 57, 95, 171, 285, 855, 21839, 65517, 109195, 196551, 327585, 414941, 982755, 1244823, 2074705, 3734469, 6224115, 18672345]

約数ペア:

[(1, 18672345), (3, 6224115), (5, 3734469), (9, 2074705), (15, 1244823), (19, 982755), (45, 414941), (57, 327585), (95, 196551), (171, 109195), (285, 65517), (855, 21839)]