19978048

素因数分解:

$2^6\times {\mathrm{541}}^1\times {\mathrm{577}}^1$

素因数の和:1130

約数の個数: 28

約数和(自身を含む): 39786052

約数和(自身を除く): 19808004

約数列:

[1, 2, 4, 8, 16, 32, 64, 541, 577, 1082, 1154, 2164, 2308, 4328, 4616, 8656, 9232, 17312, 18464, 34624, 36928, 312157, 624314, 1248628, 2497256, 4994512, 9989024, 19978048]

約数ペア:

[(1, 19978048), (2, 9989024), (4, 4994512), (8, 2497256), (16, 1248628), (32, 624314), (64, 312157), (541, 36928), (577, 34624), (1082, 18464), (1154, 17312), (2164, 9232), (2308, 8656), (4328, 4616)]