19884992

素因数分解:

$2^6\times {\mathrm{157}}^1\times {\mathrm{1979}}^1$

素因数の和:2148

約数の個数: 28

約数和(自身を含む): 39730680

約数和(自身を除く): 19845688

約数列:

[1, 2, 4, 8, 16, 32, 64, 157, 314, 628, 1256, 1979, 2512, 3958, 5024, 7916, 10048, 15832, 31664, 63328, 126656, 310703, 621406, 1242812, 2485624, 4971248, 9942496, 19884992]

約数ペア:

[(1, 19884992), (2, 9942496), (4, 4971248), (8, 2485624), (16, 1242812), (32, 621406), (64, 310703), (157, 126656), (314, 63328), (628, 31664), (1256, 15832), (1979, 10048), (2512, 7916), (3958, 5024)]