19857376

素因数分解:

$2^5\times 7^1\times {\mathrm{11}}^1\times {\mathrm{8059}}^1$

素因数の和:8087

約数の個数: 48

約数和(自身を含む): 48746880

約数和(自身を除く): 28889504

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 32, 44, 56, 77, 88, 112, 154, 176, 224, 308, 352, 616, 1232, 2464, 8059, 16118, 32236, 56413, 64472, 88649, 112826, 128944, 177298, 225652, 257888, 354596, 451304, 620543, 709192, 902608, 1241086, 1418384, 1805216, 2482172, 2836768, 4964344, 9928688, 19857376]

約数ペア:

[(1, 19857376), (2, 9928688), (4, 4964344), (7, 2836768), (8, 2482172), (11, 1805216), (14, 1418384), (16, 1241086), (22, 902608), (28, 709192), (32, 620543), (44, 451304), (56, 354596), (77, 257888), (88, 225652), (112, 177298), (154, 128944), (176, 112826), (224, 88649), (308, 64472), (352, 56413), (616, 32236), (1232, 16118), (2464, 8059)]