18254503970

素因数分解:

$2^1\times 5^1\times {\mathrm{457}}^1\times {\mathrm{3994421}}^1$

素因数の和:3994885

約数の個数: 16

約数和(自身を含む): 32930014968

約数和(自身を除く): 14675510998

約数列:

[1, 2, 5, 10, 457, 914, 2285, 4570, 3994421, 7988842, 19972105, 39944210, 1825450397, 3650900794, 9127251985, 18254503970]

約数ペア:

[(1, 18254503970), (2, 9127251985), (5, 3650900794), (10, 1825450397), (457, 39944210), (914, 19972105), (2285, 7988842), (4570, 3994421)]