19687807657

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{191}}^1\times {\mathrm{2089}}^1$

素因数の和:2366

約数の個数: 48

約数和(自身を含む): 24702796800

約数和(自身を除く): 5014989143

約数列:

[1, 7, 19, 49, 53, 133, 191, 371, 931, 1007, 1337, 2089, 2597, 3629, 7049, 9359, 10123, 14623, 25403, 39691, 49343, 70861, 102361, 110717, 177821, 192337, 277837, 398999, 496027, 775019, 1346359, 1944859, 2103623, 2792993, 5425133, 7580981, 9424513, 14725361, 19550951, 21146947, 53066867, 103077527, 148028629, 371468069, 401791993, 1036200403, 2812543951, 19687807657]

約数ペア:

[(1, 19687807657), (7, 2812543951), (19, 1036200403), (49, 401791993), (53, 371468069), (133, 148028629), (191, 103077527), (371, 53066867), (931, 21146947), (1007, 19550951), (1337, 14725361), (2089, 9424513), (2597, 7580981), (3629, 5425133), (7049, 2792993), (9359, 2103623), (10123, 1944859), (14623, 1346359), (25403, 775019), (39691, 496027), (49343, 398999), (70861, 277837), (102361, 192337), (110717, 177821)]