18743888

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{28573}}^1$

素因数の和:28622

約数の個数: 20

約数和(自身を含む): 37203348

約数和(自身を除く): 18459460

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 28573, 57146, 114292, 228584, 457168, 1171493, 2342986, 4685972, 9371944, 18743888]

約数ペア:

[(1, 18743888), (2, 9371944), (4, 4685972), (8, 2342986), (16, 1171493), (41, 457168), (82, 228584), (164, 114292), (328, 57146), (656, 28573)]