19663144904

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{189068701}}^1$

素因数の和:189068720

約数の個数: 16

約数和(自身を含む): 39704427420

約数和(自身を除く): 20041282516

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 189068701, 378137402, 756274804, 1512549608, 2457893113, 4915786226, 9831572452, 19663144904]

約数ペア:

[(1, 19663144904), (2, 9831572452), (4, 4915786226), (8, 2457893113), (13, 1512549608), (26, 756274804), (52, 378137402), (104, 189068701)]