19705356

素因数分解:

$2^2\times 3^5\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1$

素因数の和:146

約数の個数: 144

約数和(自身を含む): 59928960

約数和(自身を除く): 40223604

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 19, 22, 27, 33, 36, 38, 44, 54, 57, 66, 76, 81, 97, 99, 108, 114, 132, 162, 171, 194, 198, 209, 228, 243, 291, 297, 324, 342, 388, 396, 418, 486, 513, 582, 594, 627, 684, 836, 873, 891, 972, 1026, 1067, 1164, 1188, 1254, 1539, 1746, 1782, 1843, 1881, 2052, 2134, 2508, 2619, 2673, 3078, 3201, 3492, 3564, 3686, 3762, 4268, 4617, 5238, 5346, 5529, 5643, 6156, 6402, 7372, 7524, 7857, 9234, 9603, 10476, 10692, 11058, 11286, 12804, 15714, 16587, 16929, 18468, 19206, 20273, 22116, 22572, 23571, 28809, 31428, 33174, 33858, 38412, 40546, 47142, 49761, 50787, 57618, 60819, 66348, 67716, 81092, 86427, 94284, 99522, 101574, 115236, 121638, 149283, 172854, 182457, 199044, 203148, 243276, 259281, 298566, 345708, 364914, 447849, 518562, 547371, 597132, 729828, 895698, 1037124, 1094742, 1642113, 1791396, 2189484, 3284226, 4926339, 6568452, 9852678, 19705356]

約数ペア:

[(1, 19705356), (2, 9852678), (3, 6568452), (4, 4926339), (6, 3284226), (9, 2189484), (11, 1791396), (12, 1642113), (18, 1094742), (19, 1037124), (22, 895698), (27, 729828), (33, 597132), (36, 547371), (38, 518562), (44, 447849), (54, 364914), (57, 345708), (66, 298566), (76, 259281), (81, 243276), (97, 203148), (99, 199044), (108, 182457), (114, 172854), (132, 149283), (162, 121638), (171, 115236), (194, 101574), (198, 99522), (209, 94284), (228, 86427), (243, 81092), (291, 67716), (297, 66348), (324, 60819), (342, 57618), (388, 50787), (396, 49761), (418, 47142), (486, 40546), (513, 38412), (582, 33858), (594, 33174), (627, 31428), (684, 28809), (836, 23571), (873, 22572), (891, 22116), (972, 20273), (1026, 19206), (1067, 18468), (1164, 16929), (1188, 16587), (1254, 15714), (1539, 12804), (1746, 11286), (1782, 11058), (1843, 10692), (1881, 10476), (2052, 9603), (2134, 9234), (2508, 7857), (2619, 7524), (2673, 7372), (3078, 6402), (3201, 6156), (3492, 5643), (3564, 5529), (3686, 5346), (3762, 5238), (4268, 4617)]