19697418

素因数分解:

$2^1\times 3^4\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{199}}^1$

素因数の和:273

約数の個数: 80

約数和(自身を含む): 48787200

約数和(自身を除く): 29089782

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 47, 54, 78, 81, 94, 117, 141, 162, 199, 234, 282, 351, 398, 423, 597, 611, 702, 846, 1053, 1194, 1222, 1269, 1791, 1833, 2106, 2538, 2587, 3582, 3666, 3807, 5174, 5373, 5499, 7614, 7761, 9353, 10746, 10998, 15522, 16119, 16497, 18706, 23283, 28059, 32238, 32994, 46566, 49491, 56118, 69849, 84177, 98982, 121589, 139698, 168354, 209547, 243178, 252531, 364767, 419094, 505062, 729534, 757593, 1094301, 1515186, 2188602, 3282903, 6565806, 9848709, 19697418]

約数ペア:

[(1, 19697418), (2, 9848709), (3, 6565806), (6, 3282903), (9, 2188602), (13, 1515186), (18, 1094301), (26, 757593), (27, 729534), (39, 505062), (47, 419094), (54, 364767), (78, 252531), (81, 243178), (94, 209547), (117, 168354), (141, 139698), (162, 121589), (199, 98982), (234, 84177), (282, 69849), (351, 56118), (398, 49491), (423, 46566), (597, 32994), (611, 32238), (702, 28059), (846, 23283), (1053, 18706), (1194, 16497), (1222, 16119), (1269, 15522), (1791, 10998), (1833, 10746), (2106, 9353), (2538, 7761), (2587, 7614), (3582, 5499), (3666, 5373), (3807, 5174)]