19311776

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{661}}^1$

素因数の和:765

約数の個数: 48

約数和(自身を含む): 42039648

約数和(自身を除く): 22727872

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 83, 88, 166, 176, 332, 352, 661, 664, 913, 1322, 1328, 1826, 2644, 2656, 3652, 5288, 7271, 7304, 10576, 14542, 14608, 21152, 29084, 29216, 54863, 58168, 109726, 116336, 219452, 232672, 438904, 603493, 877808, 1206986, 1755616, 2413972, 4827944, 9655888, 19311776]

約数ペア:

[(1, 19311776), (2, 9655888), (4, 4827944), (8, 2413972), (11, 1755616), (16, 1206986), (22, 877808), (32, 603493), (44, 438904), (83, 232672), (88, 219452), (166, 116336), (176, 109726), (332, 58168), (352, 54863), (661, 29216), (664, 29084), (913, 21152), (1322, 14608), (1328, 14542), (1826, 10576), (2644, 7304), (2656, 7271), (3652, 5288)]