47009990

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{247421}}^1$

素因数の和:247447

約数の個数: 16

約数和(自身を含む): 89071920

約数和(自身を除く): 42061930

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 247421, 494842, 1237105, 2474210, 4700999, 9401998, 23504995, 47009990]

約数ペア:

[(1, 47009990), (2, 23504995), (5, 9401998), (10, 4700999), (19, 2474210), (38, 1237105), (95, 494842), (190, 247421)]