18365960

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{19963}}^1$

素因数の和:19997

約数の個数: 32

約数和(自身を含む): 43122240

約数和(自身を除く): 24756280

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 19963, 39926, 79852, 99815, 159704, 199630, 399260, 459149, 798520, 918298, 1836596, 2295745, 3673192, 4591490, 9182980, 18365960]

約数ペア:

[(1, 18365960), (2, 9182980), (4, 4591490), (5, 3673192), (8, 2295745), (10, 1836596), (20, 918298), (23, 798520), (40, 459149), (46, 399260), (92, 199630), (115, 159704), (184, 99815), (230, 79852), (460, 39926), (920, 19963)]