18847035

素因数分解:

$3^2\times 5^1\times {\mathrm{491}}^1\times {\mathrm{853}}^1$

素因数の和:1355

約数の個数: 24

約数和(自身を含む): 32773104

約数和(自身を除く): 13926069

約数列:

[1, 3, 5, 9, 15, 45, 491, 853, 1473, 2455, 2559, 4265, 4419, 7365, 7677, 12795, 22095, 38385, 418823, 1256469, 2094115, 3769407, 6282345, 18847035]

約数ペア:

[(1, 18847035), (3, 6282345), (5, 3769407), (9, 2094115), (15, 1256469), (45, 418823), (491, 38385), (853, 22095), (1473, 12795), (2455, 7677), (2559, 7365), (4265, 4419)]