19970236209

素因数分解:

$3^1\times 7^3\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{1549}}^1$

素因数の和:1668

約数の個数: 128

約数和(自身を含む): 36426240000

約数和(自身を除く): 16456003791

約数列:

[1, 3, 7, 11, 17, 21, 33, 49, 51, 67, 77, 119, 147, 187, 201, 231, 343, 357, 469, 539, 561, 737, 833, 1029, 1139, 1309, 1407, 1549, 1617, 2211, 2499, 3283, 3417, 3773, 3927, 4647, 5159, 5831, 7973, 9163, 9849, 10843, 11319, 12529, 15477, 17039, 17493, 22981, 23919, 26333, 27489, 32529, 36113, 37587, 51117, 55811, 64141, 68943, 75901, 78999, 87703, 103783, 108339, 119273, 167433, 184331, 192423, 227703, 252791, 263109, 289663, 311349, 357819, 390677, 531307, 552993, 613921, 726481, 758373, 834911, 868989, 1141613, 1172031, 1290317, 1593921, 1764311, 1841763, 2027641, 2179443, 2504733, 3424839, 3870951, 4297447, 5085367, 5292933, 5844377, 6082923, 7991291, 9032219, 12350177, 12892341, 14193487, 15256101, 17533131, 19407421, 23973873, 27096657, 35597569, 37050531, 42580461, 55939037, 58222263, 86451239, 99354409, 106792707, 135851947, 167817111, 259353717, 298063227, 391573259, 407555841, 605158673, 950963629, 1174719777, 1815476019, 2852890887, 6656745403, 19970236209]

約数ペア:

[(1, 19970236209), (3, 6656745403), (7, 2852890887), (11, 1815476019), (17, 1174719777), (21, 950963629), (33, 605158673), (49, 407555841), (51, 391573259), (67, 298063227), (77, 259353717), (119, 167817111), (147, 135851947), (187, 106792707), (201, 99354409), (231, 86451239), (343, 58222263), (357, 55939037), (469, 42580461), (539, 37050531), (561, 35597569), (737, 27096657), (833, 23973873), (1029, 19407421), (1139, 17533131), (1309, 15256101), (1407, 14193487), (1549, 12892341), (1617, 12350177), (2211, 9032219), (2499, 7991291), (3283, 6082923), (3417, 5844377), (3773, 5292933), (3927, 5085367), (4647, 4297447), (5159, 3870951), (5831, 3424839), (7973, 2504733), (9163, 2179443), (9849, 2027641), (10843, 1841763), (11319, 1764311), (12529, 1593921), (15477, 1290317), (17039, 1172031), (17493, 1141613), (22981, 868989), (23919, 834911), (26333, 758373), (27489, 726481), (32529, 613921), (36113, 552993), (37587, 531307), (51117, 390677), (55811, 357819), (64141, 311349), (68943, 289663), (75901, 263109), (78999, 252791), (87703, 227703), (103783, 192423), (108339, 184331), (119273, 167433)]