19791492

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{97}}^1\times {\mathrm{347}}^1$

素因数の和:465

約数の個数: 72

約数和(自身を含む): 54429984

約数和(自身を除く): 34638492

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 97, 98, 147, 194, 196, 291, 294, 347, 388, 582, 588, 679, 694, 1041, 1164, 1358, 1388, 2037, 2082, 2429, 2716, 4074, 4164, 4753, 4858, 7287, 8148, 9506, 9716, 14259, 14574, 17003, 19012, 28518, 29148, 33659, 34006, 51009, 57036, 67318, 68012, 100977, 102018, 134636, 201954, 204036, 235613, 403908, 471226, 706839, 942452, 1413678, 1649291, 2827356, 3298582, 4947873, 6597164, 9895746, 19791492]

約数ペア:

[(1, 19791492), (2, 9895746), (3, 6597164), (4, 4947873), (6, 3298582), (7, 2827356), (12, 1649291), (14, 1413678), (21, 942452), (28, 706839), (42, 471226), (49, 403908), (84, 235613), (97, 204036), (98, 201954), (147, 134636), (194, 102018), (196, 100977), (291, 68012), (294, 67318), (347, 57036), (388, 51009), (582, 34006), (588, 33659), (679, 29148), (694, 28518), (1041, 19012), (1164, 17003), (1358, 14574), (1388, 14259), (2037, 9716), (2082, 9506), (2429, 8148), (2716, 7287), (4074, 4858), (4164, 4753)]