19992588

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{11}}^2\times {\mathrm{281}}^1$

素因数の和:324

約数の個数: 108

約数和(自身を含む): 59859576

約数和(自身を除く): 39866988

約数列:

[1, 2, 3, 4, 6, 7, 11, 12, 14, 21, 22, 28, 33, 42, 44, 49, 66, 77, 84, 98, 121, 132, 147, 154, 196, 231, 242, 281, 294, 308, 363, 462, 484, 539, 562, 588, 726, 843, 847, 924, 1078, 1124, 1452, 1617, 1686, 1694, 1967, 2156, 2541, 3091, 3234, 3372, 3388, 3934, 5082, 5901, 5929, 6182, 6468, 7868, 9273, 10164, 11802, 11858, 12364, 13769, 17787, 18546, 21637, 23604, 23716, 27538, 34001, 35574, 37092, 41307, 43274, 55076, 64911, 68002, 71148, 82614, 86548, 102003, 129822, 136004, 151459, 165228, 204006, 238007, 259644, 302918, 408012, 454377, 476014, 605836, 714021, 908754, 952028, 1428042, 1666049, 1817508, 2856084, 3332098, 4998147, 6664196, 9996294, 19992588]

約数ペア:

[(1, 19992588), (2, 9996294), (3, 6664196), (4, 4998147), (6, 3332098), (7, 2856084), (11, 1817508), (12, 1666049), (14, 1428042), (21, 952028), (22, 908754), (28, 714021), (33, 605836), (42, 476014), (44, 454377), (49, 408012), (66, 302918), (77, 259644), (84, 238007), (98, 204006), (121, 165228), (132, 151459), (147, 136004), (154, 129822), (196, 102003), (231, 86548), (242, 82614), (281, 71148), (294, 68002), (308, 64911), (363, 55076), (462, 43274), (484, 41307), (539, 37092), (562, 35574), (588, 34001), (726, 27538), (843, 23716), (847, 23604), (924, 21637), (1078, 18546), (1124, 17787), (1452, 13769), (1617, 12364), (1686, 11858), (1694, 11802), (1967, 10164), (2156, 9273), (2541, 7868), (3091, 6468), (3234, 6182), (3372, 5929), (3388, 5901), (3934, 5082)]