19555168

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{349}}^1$

素因数の和:479

約数の個数: 48

約数和(自身を含む): 41277600

約数和(自身を除く): 21722432

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 68, 103, 136, 206, 272, 349, 412, 544, 698, 824, 1396, 1648, 1751, 2792, 3296, 3502, 5584, 5933, 7004, 11168, 11866, 14008, 23732, 28016, 35947, 47464, 56032, 71894, 94928, 143788, 189856, 287576, 575152, 611099, 1150304, 1222198, 2444396, 4888792, 9777584, 19555168]

約数ペア:

[(1, 19555168), (2, 9777584), (4, 4888792), (8, 2444396), (16, 1222198), (17, 1150304), (32, 611099), (34, 575152), (68, 287576), (103, 189856), (136, 143788), (206, 94928), (272, 71894), (349, 56032), (412, 47464), (544, 35947), (698, 28016), (824, 23732), (1396, 14008), (1648, 11866), (1751, 11168), (2792, 7004), (3296, 5933), (3502, 5584)]