19872208

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{30293}}^1$

素因数の和:30342

約数の個数: 20

約数和(自身を含む): 39442788

約数和(自身を除く): 19570580

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 30293, 60586, 121172, 242344, 484688, 1242013, 2484026, 4968052, 9936104, 19872208]

約数ペア:

[(1, 19872208), (2, 9936104), (4, 4968052), (8, 2484026), (16, 1242013), (41, 484688), (82, 242344), (164, 121172), (328, 60586), (656, 30293)]