19794016

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{1061}}^1$

素因数の和:1135

約数の個数: 48

約数和(自身を含む): 43355088

約数和(自身を除く): 23561072

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 53, 88, 106, 176, 212, 352, 424, 583, 848, 1061, 1166, 1696, 2122, 2332, 4244, 4664, 8488, 9328, 11671, 16976, 18656, 23342, 33952, 46684, 56233, 93368, 112466, 186736, 224932, 373472, 449864, 618563, 899728, 1237126, 1799456, 2474252, 4948504, 9897008, 19794016]

約数ペア:

[(1, 19794016), (2, 9897008), (4, 4948504), (8, 2474252), (11, 1799456), (16, 1237126), (22, 899728), (32, 618563), (44, 449864), (53, 373472), (88, 224932), (106, 186736), (176, 112466), (212, 93368), (352, 56233), (424, 46684), (583, 33952), (848, 23342), (1061, 18656), (1166, 16976), (1696, 11671), (2122, 9328), (2332, 8488), (4244, 4664)]