19428112

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{167}}^1\times {\mathrm{661}}^1$

素因数の和:847

約数の個数: 40

約数和(自身を含む): 41372352

約数和(自身を除く): 21944240

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 167, 176, 334, 661, 668, 1322, 1336, 1837, 2644, 2672, 3674, 5288, 7271, 7348, 10576, 14542, 14696, 29084, 29392, 58168, 110387, 116336, 220774, 441548, 883096, 1214257, 1766192, 2428514, 4857028, 9714056, 19428112]

約数ペア:

[(1, 19428112), (2, 9714056), (4, 4857028), (8, 2428514), (11, 1766192), (16, 1214257), (22, 883096), (44, 441548), (88, 220774), (167, 116336), (176, 110387), (334, 58168), (661, 29392), (668, 29084), (1322, 14696), (1336, 14542), (1837, 10576), (2644, 7348), (2672, 7271), (3674, 5288)]