18878755077

素因数分解:

$3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{113}}^1\times {\mathrm{701}}^1$

素因数の和:940

約数の個数: 128

約数和(自身を含む): 35135493120

約数和(自身を除く): 16256738043

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 63, 91, 97, 113, 117, 189, 273, 291, 339, 351, 679, 701, 791, 819, 873, 1017, 1261, 1469, 2037, 2103, 2373, 2457, 2619, 3051, 3783, 4407, 4907, 6111, 6309, 7119, 8827, 9113, 10283, 10961, 11349, 13221, 14721, 18333, 18927, 21357, 26481, 27339, 30849, 32883, 34047, 39663, 44163, 63791, 67997, 76727, 79213, 79443, 82017, 92547, 98649, 132489, 142493, 191373, 203991, 230181, 237639, 238329, 246051, 277641, 295947, 427479, 475979, 554491, 574119, 611973, 690543, 712917, 883961, 997451, 1029769, 1282437, 1427937, 1663473, 1722357, 1835919, 2071629, 2138751, 2651883, 2992353, 3089307, 3847311, 4283811, 4990419, 6187727, 7208383, 7683661, 7955649, 8977059, 9267921, 12851433, 14971257, 18563181, 21625149, 23050983, 23866947, 26931177, 27803763, 53785627, 55689543, 64875447, 69152949, 99887593, 161356881, 167068629, 194626341, 207458847, 299662779, 484070643, 699213151, 898988337, 1452211929, 2097639453, 2696965011, 6292918359, 18878755077]

約数ペア:

[(1, 18878755077), (3, 6292918359), (7, 2696965011), (9, 2097639453), (13, 1452211929), (21, 898988337), (27, 699213151), (39, 484070643), (63, 299662779), (91, 207458847), (97, 194626341), (113, 167068629), (117, 161356881), (189, 99887593), (273, 69152949), (291, 64875447), (339, 55689543), (351, 53785627), (679, 27803763), (701, 26931177), (791, 23866947), (819, 23050983), (873, 21625149), (1017, 18563181), (1261, 14971257), (1469, 12851433), (2037, 9267921), (2103, 8977059), (2373, 7955649), (2457, 7683661), (2619, 7208383), (3051, 6187727), (3783, 4990419), (4407, 4283811), (4907, 3847311), (6111, 3089307), (6309, 2992353), (7119, 2651883), (8827, 2138751), (9113, 2071629), (10283, 1835919), (10961, 1722357), (11349, 1663473), (13221, 1427937), (14721, 1282437), (18333, 1029769), (18927, 997451), (21357, 883961), (26481, 712917), (27339, 690543), (30849, 611973), (32883, 574119), (34047, 554491), (39663, 475979), (44163, 427479), (63791, 295947), (67997, 277641), (76727, 246051), (79213, 238329), (79443, 237639), (82017, 230181), (92547, 203991), (98649, 191373), (132489, 142493)]