19768476

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{421}}^1$

素因数の和:491

約数の個数: 96

約数和(自身を含む): 58229248

約数和(自身を除く): 38460772

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 26, 28, 39, 42, 43, 52, 78, 84, 86, 91, 129, 156, 172, 182, 258, 273, 301, 364, 421, 516, 546, 559, 602, 842, 903, 1092, 1118, 1204, 1263, 1677, 1684, 1806, 2236, 2526, 2947, 3354, 3612, 3913, 5052, 5473, 5894, 6708, 7826, 8841, 10946, 11739, 11788, 15652, 16419, 17682, 18103, 21892, 23478, 32838, 35364, 36206, 38311, 46956, 54309, 65676, 72412, 76622, 108618, 114933, 126721, 153244, 217236, 229866, 235339, 253442, 380163, 459732, 470678, 506884, 706017, 760326, 941356, 1412034, 1520652, 1647373, 2824068, 3294746, 4942119, 6589492, 9884238, 19768476]

約数ペア:

[(1, 19768476), (2, 9884238), (3, 6589492), (4, 4942119), (6, 3294746), (7, 2824068), (12, 1647373), (13, 1520652), (14, 1412034), (21, 941356), (26, 760326), (28, 706017), (39, 506884), (42, 470678), (43, 459732), (52, 380163), (78, 253442), (84, 235339), (86, 229866), (91, 217236), (129, 153244), (156, 126721), (172, 114933), (182, 108618), (258, 76622), (273, 72412), (301, 65676), (364, 54309), (421, 46956), (516, 38311), (546, 36206), (559, 35364), (602, 32838), (842, 23478), (903, 21892), (1092, 18103), (1118, 17682), (1204, 16419), (1263, 15652), (1677, 11788), (1684, 11739), (1806, 10946), (2236, 8841), (2526, 7826), (2947, 6708), (3354, 5894), (3612, 5473), (3913, 5052)]