19904704

素因数分解:

$2^6\times {\mathrm{19}}^1\times {\mathrm{16369}}^1$

素因数の和:16400

約数の個数: 28

約数和(自身を含む): 41579800

約数和(自身を除く): 21675096

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 152, 304, 608, 1216, 16369, 32738, 65476, 130952, 261904, 311011, 523808, 622022, 1047616, 1244044, 2488088, 4976176, 9952352, 19904704]

約数ペア:

[(1, 19904704), (2, 9952352), (4, 4976176), (8, 2488088), (16, 1244044), (19, 1047616), (32, 622022), (38, 523808), (64, 311011), (76, 261904), (152, 130952), (304, 65476), (608, 32738), (1216, 16369)]