19998407517

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^2\times {\mathrm{41}}^1\times {\mathrm{27941}}^1$

素因数の和:28042

約数の個数: 48

約数和(自身を含む): 31151082816

約数和(自身を除く): 11152675299

約数列:

[1, 3, 11, 23, 33, 41, 69, 123, 253, 451, 529, 759, 943, 1353, 1587, 2829, 5819, 10373, 17457, 21689, 27941, 31119, 65067, 83823, 238579, 307351, 642643, 715737, 922053, 1145581, 1927929, 3436743, 7069073, 12601391, 14780789, 21207219, 26348363, 37804173, 44342367, 79045089, 162588679, 289831993, 487766037, 606012349, 869495979, 1818037047, 6666135839, 19998407517]

約数ペア:

[(1, 19998407517), (3, 6666135839), (11, 1818037047), (23, 869495979), (33, 606012349), (41, 487766037), (69, 289831993), (123, 162588679), (253, 79045089), (451, 44342367), (529, 37804173), (759, 26348363), (943, 21207219), (1353, 14780789), (1587, 12601391), (2829, 7069073), (5819, 3436743), (10373, 1927929), (17457, 1145581), (21689, 922053), (27941, 715737), (31119, 642643), (65067, 307351), (83823, 238579)]