18965310

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{6947}}^1$

素因数の和:6977

約数の個数: 64

約数和(自身を含む): 56028672

約数和(自身を除く): 37063362

約数列:

[1, 2, 3, 5, 6, 7, 10, 13, 14, 15, 21, 26, 30, 35, 39, 42, 65, 70, 78, 91, 105, 130, 182, 195, 210, 273, 390, 455, 546, 910, 1365, 2730, 6947, 13894, 20841, 34735, 41682, 48629, 69470, 90311, 97258, 104205, 145887, 180622, 208410, 243145, 270933, 291774, 451555, 486290, 541866, 632177, 729435, 903110, 1264354, 1354665, 1458870, 1896531, 2709330, 3160885, 3793062, 6321770, 9482655, 18965310]

約数ペア:

[(1, 18965310), (2, 9482655), (3, 6321770), (5, 3793062), (6, 3160885), (7, 2709330), (10, 1896531), (13, 1458870), (14, 1354665), (15, 1264354), (21, 903110), (26, 729435), (30, 632177), (35, 541866), (39, 486290), (42, 451555), (65, 291774), (70, 270933), (78, 243145), (91, 208410), (105, 180622), (130, 145887), (182, 104205), (195, 97258), (210, 90311), (273, 69470), (390, 48629), (455, 41682), (546, 34735), (910, 20841), (1365, 13894), (2730, 6947)]