19730216

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{1613}}^1$

素因数の和:1769

約数の個数: 32

約数和(自身を含む): 40672800

約数和(自身を除く): 20942584

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 139, 278, 556, 1112, 1529, 1613, 3058, 3226, 6116, 6452, 12232, 12904, 17743, 35486, 70972, 141944, 224207, 448414, 896828, 1793656, 2466277, 4932554, 9865108, 19730216]

約数ペア:

[(1, 19730216), (2, 9865108), (4, 4932554), (8, 2466277), (11, 1793656), (22, 896828), (44, 448414), (88, 224207), (139, 141944), (278, 70972), (556, 35486), (1112, 17743), (1529, 12904), (1613, 12232), (3058, 6452), (3226, 6116)]