18906224

素因数分解:

$2^4\times {\mathrm{139}}^1\times {\mathrm{8501}}^1$

素因数の和:8648

約数の個数: 20

約数和(自身を含む): 36898680

約数和(自身を除く): 17992456

約数列:

[1, 2, 4, 8, 16, 139, 278, 556, 1112, 2224, 8501, 17002, 34004, 68008, 136016, 1181639, 2363278, 4726556, 9453112, 18906224]

約数ペア:

[(1, 18906224), (2, 9453112), (4, 4726556), (8, 2363278), (16, 1181639), (139, 136016), (278, 68008), (556, 34004), (1112, 17002), (2224, 8501)]