19872272

素因数分解:

$2^4\times 7^1\times {\mathrm{177431}}^1$

素因数の和:177446

約数の個数: 20

約数和(自身を含む): 44003136

約数和(自身を除く): 24130864

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 177431, 354862, 709724, 1242017, 1419448, 2484034, 2838896, 4968068, 9936136, 19872272]

約数ペア:

[(1, 19872272), (2, 9936136), (4, 4968068), (7, 2838896), (8, 2484034), (14, 1419448), (16, 1242017), (28, 709724), (56, 354862), (112, 177431)]