18870894

素因数分解:

$2^1\times 3^6\times 7^1\times {\mathrm{43}}^2$

素因数の和:113

約数の個数: 84

約数和(自身を含む): 49657176

約数和(自身を除く): 30786282

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 43, 54, 63, 81, 86, 126, 129, 162, 189, 243, 258, 301, 378, 387, 486, 567, 602, 729, 774, 903, 1134, 1161, 1458, 1701, 1806, 1849, 2322, 2709, 3402, 3483, 3698, 5103, 5418, 5547, 6966, 8127, 10206, 10449, 11094, 12943, 16254, 16641, 20898, 24381, 25886, 31347, 33282, 38829, 48762, 49923, 62694, 73143, 77658, 99846, 116487, 146286, 149769, 219429, 232974, 299538, 349461, 438858, 449307, 698922, 898614, 1048383, 1347921, 2096766, 2695842, 3145149, 6290298, 9435447, 18870894]

約数ペア:

[(1, 18870894), (2, 9435447), (3, 6290298), (6, 3145149), (7, 2695842), (9, 2096766), (14, 1347921), (18, 1048383), (21, 898614), (27, 698922), (42, 449307), (43, 438858), (54, 349461), (63, 299538), (81, 232974), (86, 219429), (126, 149769), (129, 146286), (162, 116487), (189, 99846), (243, 77658), (258, 73143), (301, 62694), (378, 49923), (387, 48762), (486, 38829), (567, 33282), (602, 31347), (729, 25886), (774, 24381), (903, 20898), (1134, 16641), (1161, 16254), (1458, 12943), (1701, 11094), (1806, 10449), (1849, 10206), (2322, 8127), (2709, 6966), (3402, 5547), (3483, 5418), (3698, 5103)]