18807684

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1$

素因数の和:225

約数の個数: 96

約数和(自身を含む): 52985856

約数和(自身を除く): 34178172

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 41, 42, 43, 82, 84, 86, 123, 127, 129, 164, 172, 246, 254, 258, 287, 301, 381, 492, 508, 516, 574, 602, 762, 861, 889, 903, 1148, 1204, 1524, 1722, 1763, 1778, 1806, 2667, 3444, 3526, 3556, 3612, 5207, 5289, 5334, 5461, 7052, 10414, 10578, 10668, 10922, 12341, 15621, 16383, 20828, 21156, 21844, 24682, 31242, 32766, 36449, 37023, 38227, 49364, 62484, 65532, 72898, 74046, 76454, 109347, 114681, 145796, 148092, 152908, 218694, 223901, 229362, 437388, 447802, 458724, 671703, 895604, 1343406, 1567307, 2686812, 3134614, 4701921, 6269228, 9403842, 18807684]

約数ペア:

[(1, 18807684), (2, 9403842), (3, 6269228), (4, 4701921), (6, 3134614), (7, 2686812), (12, 1567307), (14, 1343406), (21, 895604), (28, 671703), (41, 458724), (42, 447802), (43, 437388), (82, 229362), (84, 223901), (86, 218694), (123, 152908), (127, 148092), (129, 145796), (164, 114681), (172, 109347), (246, 76454), (254, 74046), (258, 72898), (287, 65532), (301, 62484), (381, 49364), (492, 38227), (508, 37023), (516, 36449), (574, 32766), (602, 31242), (762, 24682), (861, 21844), (889, 21156), (903, 20828), (1148, 16383), (1204, 15621), (1524, 12341), (1722, 10922), (1763, 10668), (1778, 10578), (1806, 10414), (2667, 7052), (3444, 5461), (3526, 5334), (3556, 5289), (3612, 5207)]