18530813665

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{1777}}^1$

素因数の和:1899

約数の個数: 96

約数和(自身を含む): 28861975296

約数和(自身を除く): 10331161631

約数列:

[1, 5, 7, 13, 35, 41, 43, 65, 91, 169, 205, 215, 287, 301, 455, 533, 559, 845, 1183, 1435, 1505, 1763, 1777, 2665, 2795, 3731, 3913, 5915, 6929, 7267, 8815, 8885, 12341, 12439, 18655, 19565, 22919, 23101, 34645, 36335, 48503, 50869, 61705, 62195, 72857, 76411, 114595, 115505, 160433, 161707, 242515, 254345, 297947, 300313, 364285, 382055, 509999, 534877, 802165, 808535, 947141, 993343, 1489735, 1501565, 2085629, 2102191, 2549995, 2674385, 3132851, 4735705, 4966715, 6629987, 6953401, 10428145, 10510955, 12312833, 12913459, 15664255, 21929957, 33149935, 34767005, 40727063, 61564165, 64567295, 86189831, 90394213, 109649785, 203635315, 285089441, 430949155, 451971065, 529451819, 1425447205, 2647259095, 3706162733, 18530813665]

約数ペア:

[(1, 18530813665), (5, 3706162733), (7, 2647259095), (13, 1425447205), (35, 529451819), (41, 451971065), (43, 430949155), (65, 285089441), (91, 203635315), (169, 109649785), (205, 90394213), (215, 86189831), (287, 64567295), (301, 61564165), (455, 40727063), (533, 34767005), (559, 33149935), (845, 21929957), (1183, 15664255), (1435, 12913459), (1505, 12312833), (1763, 10510955), (1777, 10428145), (2665, 6953401), (2795, 6629987), (3731, 4966715), (3913, 4735705), (5915, 3132851), (6929, 2674385), (7267, 2549995), (8815, 2102191), (8885, 2085629), (12341, 1501565), (12439, 1489735), (18655, 993343), (19565, 947141), (22919, 808535), (23101, 802165), (34645, 534877), (36335, 509999), (48503, 382055), (50869, 364285), (61705, 300313), (62195, 297947), (72857, 254345), (76411, 242515), (114595, 161707), (115505, 160433)]