18021945

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{27941}}^1$

素因数の和:27992

約数の個数: 16

約数和(自身を含む): 29506752

約数和(自身を除く): 11484807

約数列:

[1, 3, 5, 15, 43, 129, 215, 645, 27941, 83823, 139705, 419115, 1201463, 3604389, 6007315, 18021945]

約数ペア:

[(1, 18021945), (3, 6007315), (5, 3604389), (15, 1201463), (43, 419115), (129, 139705), (215, 83823), (645, 27941)]