1988388

素因数分解:

$2^2\times 3^4\times {\mathrm{17}}^1\times {\mathrm{19}}^2$

素因数の和:71

約数の個数: 90

約数和(自身を含む): 5808726

約数和(自身を除く): 3820338

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 19, 27, 34, 36, 38, 51, 54, 57, 68, 76, 81, 102, 108, 114, 153, 162, 171, 204, 228, 306, 323, 324, 342, 361, 459, 513, 612, 646, 684, 722, 918, 969, 1026, 1083, 1292, 1377, 1444, 1539, 1836, 1938, 2052, 2166, 2754, 2907, 3078, 3249, 3876, 4332, 5508, 5814, 6137, 6156, 6498, 8721, 9747, 11628, 12274, 12996, 17442, 18411, 19494, 24548, 26163, 29241, 34884, 36822, 38988, 52326, 55233, 58482, 73644, 104652, 110466, 116964, 165699, 220932, 331398, 497097, 662796, 994194, 1988388]

約数ペア:

[(1, 1988388), (2, 994194), (3, 662796), (4, 497097), (6, 331398), (9, 220932), (12, 165699), (17, 116964), (18, 110466), (19, 104652), (27, 73644), (34, 58482), (36, 55233), (38, 52326), (51, 38988), (54, 36822), (57, 34884), (68, 29241), (76, 26163), (81, 24548), (102, 19494), (108, 18411), (114, 17442), (153, 12996), (162, 12274), (171, 11628), (204, 9747), (228, 8721), (306, 6498), (323, 6156), (324, 6137), (342, 5814), (361, 5508), (459, 4332), (513, 3876), (612, 3249), (646, 3078), (684, 2907), (722, 2754), (918, 2166), (969, 2052), (1026, 1938), (1083, 1836), (1292, 1539), (1377, 1444)]