18749235

素因数分解:

$3^1\times 5^1\times {\mathrm{421}}^1\times {\mathrm{2969}}^1$

素因数の和:3398

約数の個数: 16

約数和(自身を含む): 30080160

約数和(自身を除く): 11330925

約数列:

[1, 3, 5, 15, 421, 1263, 2105, 2969, 6315, 8907, 14845, 44535, 1249949, 3749847, 6249745, 18749235]

約数ペア:

[(1, 18749235), (3, 6249745), (5, 3749847), (15, 1249949), (421, 44535), (1263, 14845), (2105, 8907), (2969, 6315)]