19749366

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{4019}}^1$

素因数の和:4050

約数の個数: 64

約数和(自身を含む): 54028800

約数和(自身を除く): 34279434

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 27, 39, 42, 54, 63, 78, 91, 117, 126, 182, 189, 234, 273, 351, 378, 546, 702, 819, 1638, 2457, 4019, 4914, 8038, 12057, 24114, 28133, 36171, 52247, 56266, 72342, 84399, 104494, 108513, 156741, 168798, 217026, 253197, 313482, 365729, 470223, 506394, 731458, 759591, 940446, 1097187, 1410669, 1519182, 2194374, 2821338, 3291561, 6583122, 9874683, 19749366]

約数ペア:

[(1, 19749366), (2, 9874683), (3, 6583122), (6, 3291561), (7, 2821338), (9, 2194374), (13, 1519182), (14, 1410669), (18, 1097187), (21, 940446), (26, 759591), (27, 731458), (39, 506394), (42, 470223), (54, 365729), (63, 313482), (78, 253197), (91, 217026), (117, 168798), (126, 156741), (182, 108513), (189, 104494), (234, 84399), (273, 72342), (351, 56266), (378, 52247), (546, 36171), (702, 28133), (819, 24114), (1638, 12057), (2457, 8038), (4019, 4914)]