19424416

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{397}}^1$

素因数の和:557

約数の個数: 48

約数和(自身を含む): 42124320

約数和(自身を除く): 22699904

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 88, 139, 176, 278, 352, 397, 556, 794, 1112, 1529, 1588, 2224, 3058, 3176, 4367, 4448, 6116, 6352, 8734, 12232, 12704, 17468, 24464, 34936, 48928, 55183, 69872, 110366, 139744, 220732, 441464, 607013, 882928, 1214026, 1765856, 2428052, 4856104, 9712208, 19424416]

約数ペア:

[(1, 19424416), (2, 9712208), (4, 4856104), (8, 2428052), (11, 1765856), (16, 1214026), (22, 882928), (32, 607013), (44, 441464), (88, 220732), (139, 139744), (176, 110366), (278, 69872), (352, 55183), (397, 48928), (556, 34936), (794, 24464), (1112, 17468), (1529, 12704), (1588, 12232), (2224, 8734), (3058, 6352), (3176, 6116), (4367, 4448)]