19203856

素因数分解:

$2^4\times 7^1\times {\mathrm{277}}^1\times {\mathrm{619}}^1$

素因数の和:911

約数の個数: 40

約数和(自身を含む): 42745280

約数和(自身を除く): 23541424

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 277, 554, 619, 1108, 1238, 1939, 2216, 2476, 3878, 4333, 4432, 4952, 7756, 8666, 9904, 15512, 17332, 31024, 34664, 69328, 171463, 342926, 685852, 1200241, 1371704, 2400482, 2743408, 4800964, 9601928, 19203856]

約数ペア:

[(1, 19203856), (2, 9601928), (4, 4800964), (7, 2743408), (8, 2400482), (14, 1371704), (16, 1200241), (28, 685852), (56, 342926), (112, 171463), (277, 69328), (554, 34664), (619, 31024), (1108, 17332), (1238, 15512), (1939, 9904), (2216, 8666), (2476, 7756), (3878, 4952), (4333, 4432)]