19174913884

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{561787}}^1$

素因数の和:561874

約数の個数: 48

約数和(自身を含む): 40772325888

約数和(自身を除く): 21597412004

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 53, 92, 106, 161, 212, 322, 371, 644, 742, 1219, 1484, 2438, 4876, 8533, 17066, 34132, 561787, 1123574, 2247148, 3932509, 7865018, 12921101, 15730036, 25842202, 29774711, 51684404, 59549422, 90447707, 119098844, 180895414, 208422977, 361790828, 416845954, 684818353, 833691908, 1369636706, 2739273412, 4793728471, 9587456942, 19174913884]

約数ペア:

[(1, 19174913884), (2, 9587456942), (4, 4793728471), (7, 2739273412), (14, 1369636706), (23, 833691908), (28, 684818353), (46, 416845954), (53, 361790828), (92, 208422977), (106, 180895414), (161, 119098844), (212, 90447707), (322, 59549422), (371, 51684404), (644, 29774711), (742, 25842202), (1219, 15730036), (1484, 12921101), (2438, 7865018), (4876, 3932509), (8533, 2247148), (17066, 1123574), (34132, 561787)]