18519984

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{967}}^1$

素因数の和:1007

約数の個数: 120

約数和(自身を含む): 62416640

約数和(自身を除く): 43896656

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 19, 21, 24, 28, 36, 38, 42, 48, 56, 57, 63, 72, 76, 84, 112, 114, 126, 133, 144, 152, 168, 171, 228, 252, 266, 304, 336, 342, 399, 456, 504, 532, 684, 798, 912, 967, 1008, 1064, 1197, 1368, 1596, 1934, 2128, 2394, 2736, 2901, 3192, 3868, 4788, 5802, 6384, 6769, 7736, 8703, 9576, 11604, 13538, 15472, 17406, 18373, 19152, 20307, 23208, 27076, 34812, 36746, 40614, 46416, 54152, 55119, 60921, 69624, 73492, 81228, 108304, 110238, 121842, 128611, 139248, 146984, 162456, 165357, 220476, 243684, 257222, 293968, 324912, 330714, 385833, 440952, 487368, 514444, 661428, 771666, 881904, 974736, 1028888, 1157499, 1322856, 1543332, 2057776, 2314998, 2645712, 3086664, 4629996, 6173328, 9259992, 18519984]

約数ペア:

[(1, 18519984), (2, 9259992), (3, 6173328), (4, 4629996), (6, 3086664), (7, 2645712), (8, 2314998), (9, 2057776), (12, 1543332), (14, 1322856), (16, 1157499), (18, 1028888), (19, 974736), (21, 881904), (24, 771666), (28, 661428), (36, 514444), (38, 487368), (42, 440952), (48, 385833), (56, 330714), (57, 324912), (63, 293968), (72, 257222), (76, 243684), (84, 220476), (112, 165357), (114, 162456), (126, 146984), (133, 139248), (144, 128611), (152, 121842), (168, 110238), (171, 108304), (228, 81228), (252, 73492), (266, 69624), (304, 60921), (336, 55119), (342, 54152), (399, 46416), (456, 40614), (504, 36746), (532, 34812), (684, 27076), (798, 23208), (912, 20307), (967, 19152), (1008, 18373), (1064, 17406), (1197, 15472), (1368, 13538), (1596, 11604), (1934, 9576), (2128, 8703), (2394, 7736), (2736, 6769), (2901, 6384), (3192, 5802), (3868, 4788)]