19345396

素因数分解:

$2^2\times 7^2\times {\mathrm{89}}^1\times {\mathrm{1109}}^1$

素因数の和:1216

約数の個数: 36

約数和(自身を含む): 39860100

約数和(自身を除く): 20514704

約数列:

[1, 2, 4, 7, 14, 28, 49, 89, 98, 178, 196, 356, 623, 1109, 1246, 2218, 2492, 4361, 4436, 7763, 8722, 15526, 17444, 31052, 54341, 98701, 108682, 197402, 217364, 394804, 690907, 1381814, 2763628, 4836349, 9672698, 19345396]

約数ペア:

[(1, 19345396), (2, 9672698), (4, 4836349), (7, 2763628), (14, 1381814), (28, 690907), (49, 394804), (89, 217364), (98, 197402), (178, 108682), (196, 98701), (356, 54341), (623, 31052), (1109, 17444), (1246, 15526), (2218, 8722), (2492, 7763), (4361, 4436)]