19690384

素因数分解:

$2^4\times 7^1\times {\mathrm{19}}^2\times {\mathrm{487}}^1$

素因数の和:540

約数の個数: 60

約数和(自身を含む): 46110144

約数和(自身を除く): 26419760

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 38, 56, 76, 112, 133, 152, 266, 304, 361, 487, 532, 722, 974, 1064, 1444, 1948, 2128, 2527, 2888, 3409, 3896, 5054, 5776, 6818, 7792, 9253, 10108, 13636, 18506, 20216, 27272, 37012, 40432, 54544, 64771, 74024, 129542, 148048, 175807, 259084, 351614, 518168, 703228, 1036336, 1230649, 1406456, 2461298, 2812912, 4922596, 9845192, 19690384]

約数ペア:

[(1, 19690384), (2, 9845192), (4, 4922596), (7, 2812912), (8, 2461298), (14, 1406456), (16, 1230649), (19, 1036336), (28, 703228), (38, 518168), (56, 351614), (76, 259084), (112, 175807), (133, 148048), (152, 129542), (266, 74024), (304, 64771), (361, 54544), (487, 40432), (532, 37012), (722, 27272), (974, 20216), (1064, 18506), (1444, 13636), (1948, 10108), (2128, 9253), (2527, 7792), (2888, 6818), (3409, 5776), (3896, 5054)]