19717698

素因数分解:

$2^1\times 3^1\times 7^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1$

素因数の和:117

約数の個数: 128

約数和(自身を含む): 54835200

約数和(自身を除く): 35117502

約数列:

[1, 2, 3, 6, 7, 11, 13, 14, 21, 22, 26, 33, 39, 42, 49, 66, 67, 77, 78, 91, 98, 134, 143, 147, 154, 182, 201, 231, 273, 286, 294, 343, 402, 429, 462, 469, 539, 546, 637, 686, 737, 858, 871, 938, 1001, 1029, 1078, 1274, 1407, 1474, 1617, 1742, 1911, 2002, 2058, 2211, 2613, 2814, 3003, 3234, 3283, 3773, 3822, 4422, 4459, 5159, 5226, 6006, 6097, 6566, 7007, 7546, 8918, 9581, 9849, 10318, 11319, 12194, 13377, 14014, 15477, 18291, 19162, 19698, 21021, 22638, 22981, 26754, 28743, 30954, 36113, 36582, 42042, 42679, 45962, 49049, 57486, 67067, 68943, 72226, 85358, 98098, 108339, 128037, 134134, 137886, 147147, 201201, 216678, 252791, 256074, 294294, 298753, 402402, 469469, 505582, 597506, 758373, 896259, 938938, 1408407, 1516746, 1792518, 2816814, 3286283, 6572566, 9858849, 19717698]

約数ペア:

[(1, 19717698), (2, 9858849), (3, 6572566), (6, 3286283), (7, 2816814), (11, 1792518), (13, 1516746), (14, 1408407), (21, 938938), (22, 896259), (26, 758373), (33, 597506), (39, 505582), (42, 469469), (49, 402402), (66, 298753), (67, 294294), (77, 256074), (78, 252791), (91, 216678), (98, 201201), (134, 147147), (143, 137886), (147, 134134), (154, 128037), (182, 108339), (201, 98098), (231, 85358), (273, 72226), (286, 68943), (294, 67067), (343, 57486), (402, 49049), (429, 45962), (462, 42679), (469, 42042), (539, 36582), (546, 36113), (637, 30954), (686, 28743), (737, 26754), (858, 22981), (871, 22638), (938, 21021), (1001, 19698), (1029, 19162), (1078, 18291), (1274, 15477), (1407, 14014), (1474, 13377), (1617, 12194), (1742, 11319), (1911, 10318), (2002, 9849), (2058, 9581), (2211, 8918), (2613, 7546), (2814, 7007), (3003, 6566), (3234, 6097), (3283, 6006), (3773, 5226), (3822, 5159), (4422, 4459)]